Precalculus
Scope and Sequence
Students will be able to:
- Review 6 trigonometric functions of right triangle trigonometry in terms of ratios of sides.
- Evaluate other trigonometric functions given a trigonometric ratio.
- Basic identities – Reciprocal, Pythagorean, cofunction
- Identify angles in standard position
- Identify reference angles for obtuse/non-acute angles
- Use angles as a measure of rotation
- Identify coterminal angles
- Find the arc length subtended by a central angle
- Find the area of a sector subtended by a central angle
- Demonstrate the development of radians as a measure of arc subtended by a central angle
- Convert degrees to radians
- Convert radians to degrees
- Find arc length given radians
- Find sector area given radians
- Evaluate trigonometric functions of 30°, 45°, and 60°.
- Evaluate the trigonometric functions of 30°, 45°, and 60° from triangles in the first quadrant of the unit circle.
- Find the measure of reference angles.
- Use the trigonometric values identified in Quadrant 1 to identify the trig values for 120°,135°,150°,210°,225°,240°,300°,315°, and 330°.
- Use the unit circle to identify trigonometric values for
- Identify Quadrantal Angles.
- Convert all unit circle angles to radian measure.
- Connect radian measure to the number line.
- Find coterminal angles using radians.
- Find reference angles using radians.
- Graph the cosine and sine measures for unit circle angles along a number line.
- Define a periodic function.
- Determine the period of sine and cosine.
- Evaluate trigonometric functions of unit circle values without a calculator.
Suggested Activities
Students will be able to:
- Identify the roots for sine and cosine.
- Analyze the graphs of sine and cosine to determine if the functions are even or odd or neither.
- Analyze the graphs of sine and cosine to determine maximums and minimums.
- Analyze the graphs of sine and cosine to identify regions where the function is increasing or decreasing.
- Determine if the graphs of sine and cosine are bounded.
- Graph sine and cosine using function transformations.
- Define amplitude in terms of function transformations.
- Identify function transformations that modify the period of sine and cosine.
- Identify and apply horizontal and vertical reflections of sine and cosine.
- Apply horizontal and vertical translations of sine and cosine.
- Generate the function given a transformed sine or cosine graph.
- Using the unit circle, generate all the tangents for the given angles.
- Compare and contrast the period for tangent.
- Graph the tangent values on a number line.
- Express the period for tangent functions.
- Identify any discontinuities for the tangent graph and express as repeating in terms of n.
- Identify the location of any roots for tangent.
- Graph tangent using function transformations.
- Graph reciprocal trigonometric functions along a number line.
- Determine the period for the reciprocal trigonometric functions.
- Identify any discontinuities and express as repeating in terms of n.
- Analyze the graphs of the reciprocal trigonometric functions to identify similarities with the graphs of sin and cosine.
- Use the definition of inverse functions to generate the graphs for arcsin and arccos on a number line.
- Determine the restrictions required to make trigonometric functions and their inverse functions one to one.
- Use an inverse trig function graph to determine an angle measure from a given ratio.
Suggested Activities
- Trig Graph Transformation Matching Activity in Desmos
- Connecting the Unit Circle to Trig Graphs
- Unit Circle Values Game
Students will be able to:
- Solve simple harmonic motion problems.
- Identify a dampened trigonometric function graph.
- Define angular velocity as rotational speed.
- Convert rotations to degrees and radians.
- Compare angular and linear velocity.
- Express linear velocity in terms of angular velocity.
- Derive Law of Sines
- Apply Law of Sines
- Determine how to identify the ambiguous case.
- Derive Law of Cosines.
- Apply the Law of Cosines.
- Use arc length formulas to derive conversion factor for nautical miles compared to statute miles.
- Determine direction of a vessel using directional bearings by sea.
- Use Heron’s formula to determine area.
- Determine direction of a craft by air using air navigation bearings.
Suggested Activities
Students will be able to:
- Review basic trigonometric identities, reciprocal trigonometric functions, cofunctions, even/odd functions and pythagoran functions.
- Prove an algebraic identity by finding a common denominator.
- Prove trigonometric identities using a graphing calculator.
- Factor functions composed of trigonometric functions.
- Verify trigonometric identities algebraically by manipulating a single side of the identity to transform it into the other.
- Finding the general solution to a trigonometric equation to identify all periodic solutions.
- Use inverse trigonometric functions to identify all possible solutions to a trigonometric equation.
- Graphically verify the formulas for the trigonometric values of sums and differences of angles.
- Evaluate trigonometric expressions using the sum and difference formulas.
- Derive/prove double angle formulas using sum and difference formulas and trigonometric identities.
- Evaluate trigonometric expressions using double angle formulas.
- Derive/prove power reducing formulas using sum and difference formulas and trigonometric identities.
- Evaluate trigonometric expressions using power reduction formulas.
- Evaluate trigonometric expressions using half-angle formulas.
- Evaluate trigonometric expressions using product to sum formulas.
- Solve a trigonometric equation using multiple angle formulas.
Suggested Activities
Students will be able to:
- Define vectors as directed line segments.
- Determine when two vectors are equivalent.
- Find the sum of vectors graphically by tail to head representation and by parallelogram method.
- Find the scalar product of a vector.
- Find the magnitude of a vector.
- Find the direction angle of a vector.
- Write vectors in component form.
- Determine the direction of a given vector.
- Find the sum of vectors in component form algebraically.
- Define Unit Vectors.
- Find Unit vectors in the direction of a given vector.
- Express a given vector as the sum of scalar products of unit vectors.
- Find the dot product of two vectors.
- Use the dot product to identify the angle between two vectors.
- Define orthogonal vectors.
- Determine when two vectors are orthogonal.
Suggested Activities
Students will be able to:
- Define parametric equations and identify situations where they might be encountered.
- Graph parametric equations using technology.
- Generate a table of values to graph parametric equations on the coordinate plane.
- Identify the direction of movement of a parametric variable along a graph on the coordinate plane.
- Convert parametric equations to rectangular equations by eliminating the parametric variable.
- Convert rectangular equations to parametric by defining a parameter.
- Describe projectile motion using parametric equations.
- Simulate horizontal motion using parametric equations.
- Simulate vertical motion using parametric equations.
Suggested Activities
Students will be able to:
- Define polar coordinates as angular movement followed by displacement.
- Plot polar coordinates on a cartesian plan.
- Plot polar coordinates on polar graph.
- Determine all possible polar coordinates for a given point in rectangular coordinates.
- Convert between rectangular and polar coordinates.
- Graph polar equations on a coordinate plane.
- Convert rectangular equations to polar form.
- Convert polar equations to rectangular form.
- Identify common polar graphs including circle, rose curves, lemniscate, cardioid, and limacon.
- Identify equations for common polar graphs.
- Graph polar forms using transformations.
Suggested Activities
Students will be able to:
- Name and identify circles, ellipses, parabolas and hyperbolas from the general form equation.
- Describe the origin of each conic section as sliced from a double napped cone.
- Define each conic section as a locus of points.
- Identify the focus and directrix of both horizontal and vertical parabolas from a graph.
- Identify the focus and directrix of both horizontal and vertical parabolas from an equation.
- Write the equation for a parabola given a graph.
- Graph a horizontal parabola given an equation.
- Explain the definition of an ellipse in comparison to the definition of a circle.
- Determine whether a general equation represents an ellipse.
- Determine whether a conic section is an ellipse or a circle.
- Find the focal axis, foci, vertices, major and minor axes, and semimajor and semiminor axes of an ellipse from a graph.
- Find the focal axis, foci, vertices, major and minor axes, and semimajor and semiminor axes of an ellipse from an equation in standard form.
- Determine the equation of an ellipse given its foci and major/minor axis and center.
- Define the eccentricity of an ellipse and describe its effect on the figures shape.
- Find the eccentricity of an ellipse given a graph.
- Find the eccentricity of an ellipse given an equation in standard form.
- Convert the general equation of an ellipse to standard form.
- Express the definition of a hyperbola as locus of points.
- Explain the definition of a hyperbola, making a connection between the locus definition and the conic equation.
- Determine whether a function is a hyperbola given a graph.
- Determine whether a function is a hyperbola given an equation.
- Find the focal axis, foci, vertices, semitransverse axis, semiconjugate axis, and asymptotes of a hyperbola given a graph.
- Find the focal axis, foci, vertices, semitransverse axis, semiconjugate axis, and asymptotes of a hyperbola given an equation in standard form.
- Find the eccentricity of a hyperbola and describe the effect on its shape.
- Write the equation of a hyperbola given its transverse and conjugate axis’.
- Convert the general equation of a hyperbola to standard form.
- Write the equation of an ellipse that has been rotated by a given angle.
- Identify the equation of a conic section that has been rotated.
- Classify conic sections by their discriminants.
Suggested Activities
Students will be able to:
- Parent function graph review
- Identify the graph and form for constant, linear, quadratic, cubic, square root, cube root, exponential, logarithmic, rational, and step functions.
- Determine the domain and range of constant, linear, quadratic, cubic, square root, cube root, exponential, logarithmic, rational, and step functions.
- Determine the range of rational, polynomial, radical, and power functions graphically and algebraically.
- Determine numerically or graphically whether a function has odd or even symmetry.
- Determine algebraically whether a function has odd or even symmetry.
- Identify whether a function is increasing, decreasing, or constant based on a table of numerical data.
- Identify intervals on which a function is increasing or decreasing graphically.
- Identify absolute extrema from the graph of a function.
- Identify local extrema from the graph of a function.
- Define and identify maximums and minimums as they occur between increasing and decreasing regions for all parent functions.
- Define boundedness for a function.
- Determine the boundedness of all parent functions.
- Use Intermediate Value Theorem to locate potential roots given a table of numerical data.
- Identify the end behavior of a function.
- Express end behavior using limit notation.
- Differentiate between infinite limit and one sided limit notation.
- Identify the horizontal and vertical asymptotes of a graph.
- Express horizontal and vertical asymptote using limit notation.
- Determine graphically whether a function is continuous or discontinuous at a point.
- Classify the type of discontinuity graphically.
- Identify and graph piecewise functions.
- Analyze piecewise functions.
- Evaluate piecewise functions given an input.
- Determine graphically and algebraically whether a piecewise function is continuous or discontinuous at a point.
- Define and determine the composition of two given functions
- Find the domain of the composition of two given functions.
- Decompose a given function as the composition of simpler functions.
- Analyze a real-world situation of composition of functions.
- Identify and verify implicitly two functions given a relation.
- Determine if a function is one-to-one using the Horizontal Line Test.
- Determine an inverse function graphically and algebraically. Graph an inverse by exchanging the coordinates of the points.
- Verify that two functions are inverses of one another algebraically and graphically.
- Compare domain and ranges of the function and its inverse.
- Determine if the inverse is a relation or a function.
- Restrict the domain of a function such that it will be invertible.
- Recognize function transformations written in af(b(x-c))+d form.
- Apply function transformations written in af(b(x-c))+d form to a given parent function.
- Write the equation of a function under a horizontal or vertical reflection when described graphically or verbally.
- Write the equation of a function under a vertical or horizontal stretch or shrink when described graphically or verbally.
- Graph the equation of a function under multiple transformations.
- Write the equation of a function under multiple transformations.
Suggested Activities
- Geogebra End behavior exploration
- Parent Function Graph Matching Games
- Timed Parent Function Graph Match Game
- Increasing and Decreasing Graph Intervals Demonstration
- Coolmath relative extrema explanation
- Desmos Limits and Continuity Exploration
- How to Classify a Discontinuity
- Maths is Fun! Piecewise Functions
- Desmos Piecewise Function Polygraph Class Activity
- Mathwarehouse Composition of Functions Visualizer
- Inverse Function Graphs Visualizer
- Inverse and Composition of Functions Jeopardy Review
- Function Domain and Range Exploration
- Function transformations applet
Students will be able to:
- Compare graphs of power functions with differing powers.
- Identify the power and constant of variation of the power function.
- Determine graphically and algebraically which power functions are even and which are odd.
- Relate the end behavior of a polynomial to the sign of the leading coefficient and its power - leading term test
- Translate between verbal and algebraic descriptions of power functions.
- Analyze key features of a power function: domain, range, continuity, symmetry, asymptotes, min/max, and end behavior.
- Express end behavior using limit notation.
- quadratics review/even degree
- Sketch even powered polynomial functions with key components.
- Identify potential number of roots for a quadratic and expand to higher powered even polynomials.
- Apply the leading term test to determine the orientation of the graph and end behavior.
- Express the end behavior of the polynomial using limit notation.
- Identify regions of increase and decrease.
- Identify local and absolute maximum and minimum values graphically.
- Find the vertex and roots of a quadratic equation algebraically.
- Solve a polynomial with imaginary roots using the quadratic formula.
- Use Intermediate Value Theorem to locate potential roots given a table of numerical data.
- Identify and approximate irrational zeroes of a quadratic using a graphing calculator.
- Identify the multiplicity of a factor.
- Determine the effect of multiplicity on the behavior of a root.
- cubics review/odd degree
- Determine the minimum number of possible roots for an odd powered polynomial.
- Sketch odd powered polynomial functions with key components.
- Identify the potential number of roots for a cubic function and expand to higher powered odd polynomials.
- Use Intermediate Value Theorem to locate potential roots given a table of numerical data.
- Identify and approximate irrational zeroes of a quadratic using a graphing calculator.
- Apply the leading term test to determine the orientation of the graph and end behavior.
- Express the end behavior of the polynomial using limit notations.
- Identify regions of increase and decrease.
- Identify local and absolute maximum and minimum values graphically.
- Find the roots of a cubic function by factoring by grouping.
- Identify the multiplicity of a factor.
- Determine the effect of multiplicity on the behavior of a root.
- Generate a polynomial by converting roots to factors and multiplying.
- Identify the multiplicity of a factor before expanding.
- Determine a polynomial given its zeroes.
- Expand a power of a binomial expression using the Binomial Theorem.
- Generate the coefficients for a binomial expansion using Pascals triangle.
- Generate the coefficients for a binomial expansion using the binomial coefficient formula.
- Convert imaginary and irrational roots to factor form and multiply to generate a polynomial function with real coefficients.
- Find the roots of a perfect cube binomials by using the formula for sums and differences of perfect cubes.
- Identify the exact number of complex zeroes of a given polynomial.
- Determine whether the complex conjugate of a zero is also a zero of a polynomial.
- Find the quotient of two polynomials using long division.
- Given a root, use long division to identify other roots for a polynomial.
- Find the quotient of two polynomials using synthetic division.
- Given a root, use synthetic division to identify other roots for a polynomial.
- Use the Remainder Theorem to evaluate functions at a given value.
- Identify all possible rational roots for a polynomial using the Rational Root Theorem (p/q).
- Determine possible number of positive and negative roots using Descartes Rule of Signs.
- Determine which possible rational roots are actual roots using synthetic division.
- Express a polynomial as a product of linear and irreducible quadratic factors.
- Solve a polynomial completely using long division, synthetic division, factoring and the quadratic formula to identify all roots.
Suggested Activities
- Even/Odd Polynomial Exploration
- Manga High Wrecks Factor Game
- Geogebra Intermediate Value Theorem Visualizer
- Geogebra Multiplicity Exploration
- Polynomial Long Division Demonstration
- Geogebra General Term of a Polynomial using Binomial Expansion
- Adventures with complex numbers discovery exploration
- Descartes Rule of Signs Demonstration
- Synthetic Division Gizmo
Students will be able to:
- Sketch the graph of a rational function as transformations of 1/x.
- Identify vertical and horizontal asymptotes.
- Explain the difference between a vertical and horizontal asymptote.
- Identify any holes that occur.
- Describe the end behavior of a rational function using limit notation.
- Describe the left and right side behavior around any discontinuities using limit notation.
- Determine the domain of a rational function.
- Compose sums and differences of rational functions by finding a common denominator.
- Analyze the graph of complex rational functions.
- Identify the roots of a rational function.
- Find any vertical asymptotes for a rational function.
- Determine when a rational function will have no vertical asymptotes.
- Identify rational functions that will have oblique asymptotes.
- Find the equation of oblique asymptotes using long division.
- Identify the domain and range of complex rational functions.
- Describe the end behavior of complex rational functions using limit notation.
- Sketch the graph of rational functions.
- Solve a rational equation by clearing fractions.
- Determine whether solutions are valid or extraneous.
- Use rational functions to solve real world applications.
Suggested Activities
Students will be able to:
- Determine the domain over which solutions to a polynomial are zero, positive and negative graphically.
- Identify critical values for a polynomial.
- Explain the effect even multiplicity has on a factor in a sign chart.
- Determine the domain over which solutions to a polynomial are zero, positive and negative algebraically using a sign chart.
- Sketch a graph for a polynomial inequality using a sign chart.
- Solve a polynomial inequality using a sign chart.
- Determine the domain over which solutions to a rational function are undefined, zero, positive and negative graphically.
- Identify critical values for a rational function.
- Determine the domain over which solutions to a rational function are undefined, zero, positive and negative algebraically using a sign chart.
- Sketch a graph for a rational function inequality using a sign chart.
- Solve a rational inequality using a sign chart.
- Determine the domain over which solutions to a square root function are undefined, zero, positive and negative graphically.
- Identify critical values for a square root function.
- Determine the domain over which solutions to a square root function are undefined, zero, positive and negative algebraically using a sign chart.
- Sketch a graph for a square root function inequality using a sign chart.
- Solve a square root inequality using a sign chart.
Suggested Activities
Students will be able to:
- Review Exponential Graphs and Equations
- Identify and graph an exponential function using technology.
- Identify and sketch the graph of an exponential function using a table of values.
- Sketch the graph of an exponential function using transformations.
- Identify key attributes of an exponential graph from an equation, including y-intercept, horizontal asymptote and end behavior.
- Express end behavior of an exponential function using limit notation.
- Evaluate an exponential function.
- Differentiate between graphs and equations of exponential growth and decay.
- Review Logarithmic Graphs and Equations
- Identify and graph a logarithmic function using technology.
- Explain the inverse relationship between logarithmic and exponential functions.
- Identify key attributes of logarithmic graphs including roots, y-intercepts and asymptotes.
- Express end behavior of logarithmic graphs using limit notation.
- Evaluate a logarithmic expression.
- Convert a logarithmic expression to an exponential expression.
- Convert an exponential expression to a logarithmic expression.
- Simplify and expand logarithmic expressions using properties of logarithms.
- Define the natural logarithm.
- Define the common logarithm.
- Evaluate a logarithm by changing the base.
- Simplify a natural logarithm using properties of logarithms and laws of exponents.
- Find rates of growth and decay for exponential functions given real world applications.
- Find the half life of a radioactive substance.
- Model population growth using exponential functions.
- Model a cooling problem using Newton’s Law of Cooling.
- Identify and evaluate a logistic function.
- Solve an exponential equation using a logarithm.
- Solve a logarithmic equation.
- Model economic growth and decay given real world applications.
- Compute interest compounded annually, quarterly, and monthly.
- Compute interest compounded continuously.
- Compute annual percentage yield (APY).
- Compute present value for an amount with a given interest rate.
Suggested Activities
- Mathwarehouse Steps to Solve an exponential equation
- Desmos Exponential Cardsort
- Desmos Exponential Functions Marbleslide
- Geogebra Exponential Growth and Decay Visualization
- UGa Logarithm exploration Ruff
- Underground Math Logarithm Lattice
- Underground Math To Log or Not to Log
- Self Checking Logarithm Practice
Students will be able to:
- Define a sequence explicitly.
- Graph a sequence using technology.
- Explain the difference between a sequence and a series.
- Express the end behavior of a sequence using limit notation.
- Generate a non-arithmetic, non-geometric sequence.
- Determine whether a given sequence is arithmetic.
- Define an arithmetic sequence explicitly.
- Generate an arithmetic sequence.
- Determine whether a sequence is geometric.
- Define a geometric sequence explicitly.
- Identify compound interest as a type of geometric sequence.
- Generate a geometric sequence.
- Define a partial sum of an infinite sequence.
- Write out the sequence of partial sums for a series.
- Find the nth partial sum of an arithmetic sequence.
- Find the nth partial sum of a geometric sequence.
- Express the nth partial sum of an arithmetic sequence using sigma notation.
- Express the nth partial sum of a geometric sequence using sigma notation.
- Evaluate a sum expressed in sigma notation.
- Determine the limit of an infinite sequence from the sequence of partial sums.
- Determine if an infinite sequence will converge or diverge.
- Determine the conditions for a geometric sequence to converge.
- Find the sum of an infinite geometric series if it exists.
- Demonstrate mathematical induction by showing that substituting k+1 into a formula generates the same answer as substituting k and then adding on a k+1 term.
Suggested Activities