3.1 Graphing Polynomial Functions Using Transformations
Explanation
Practice Problems
Desmos Activity: Translation of Cubic Functions (teacher use)
3.2 End Behavior of Polynomial Functions Given a Graph or Equation
Explanation:
Khan article: End behavior of polynomials
Khan video: Intro to end behavior of polynomials (8:09)
Khan video: End behavior of functions & their graphs (all content) (2:22)
Practice Problems
Khan Exercise: End behavior of polynomials (all in standard form)
3.3 Zeros of Polynomial Functions
Explanation
Khan video: Zeros of polynomials introduction (5:08)
Khan video: Zeros of polynomials: plotting zeros (3:18)
Khan video: Zeros of polynomials: matching equation to zeros (3:50)
Khan video: Zeros of polynomials: matching equation to graph (3:00)
Khan video: Zeros of polynomials (with factoring): grouping (4:54)
Khan video: Zeros of polynomials (with factoring): common factor (3:31)
Khan video: Factoring higher-degree polynomials (8:01)
Practice Problems
Khan Exercise: Zeros of polynomials (factored form)
Khan Exercise: Zeros of polynomials (with factoring)
IXL: Algebra 2 L.8 Find the roots of factored polynomials
IXL: Algebra 2 L.9 Write a polynomial from its roots
IXL: Algebra 2: L.16 Fundamental Theorem of Algebra (honors)
3.4 Real and Complex Roots
Explanation:
Fundamental Theorem of Algebra
Complex conjugates
Rational Root Theorem: list the possible rational roots (a type of real roots)
Descartes' Rules of Signs: number of real positive and real negative roots
Practice Problems:
IXL: Algebra 2: L.10 Rational root theorem
IXL: Algebra 2: L.13 Descartes' Rule of Signs
3.5 Positive/Negative Intervals of Polynomials and Multiplicity
Explanation:
Khan video: Increasing, decreasing, positive or negative intervals (Algebra 1) (5:55) - general understanding
Khan video: Worked example: positive & negative intervals (Algebra 1) (1:10) - general understanding
Khan video: Positive and negative intervals of polynomials (8:39)
Khan article: Positive & negative intervals of polynomials
Khan video: Multiplicity of zeros of polynomials (6:35)
Khan video: Zeros of polynomials (multiplicity) (4:59)
Khan article: Zeros of polynomials & their graphs
Khan article: Positive & negative intervals of polynomials
Khan article: Graphs of polynomials
Khan article: Graphs of polynomials: Challenge problems
Practice problems:
Desmos Activity: Positive and Negative Intervals of a Function (teach use only)
Khan exercise: Positive and negative intervals (optional)
Khan Exercise: Positive & negative intervals of polynomials
Khan Exercise: Zeros of polynomials (multiplicity)
IXL: Algebra 2 L.14 Match polynomials and graphs (consider the end behavior, zeros, and y-intercepts)
3.6 Increasing and Decreasing Intervals and Extrema
Explanation:
Khan video: Increasing, decreasing, positive or negative intervals (Algebra 1) (5:55; start the video at 2:34)
Khan video: Introduction to minimum and maximum points (Algebra 1) (5:29) uses more math symbols that are not necessary
Khan video: Worked example: absolute and relative extrema (Algebra 1) (4:57)
Khan video: Polynomial multiplication word problem (Algebra 1 - 2018) (4:18)
Khan video: Polynomial word problem: rectangle and circle area (Algebra 1 - 2018) (4:36)
Khan video: Polynomial word problem: total value of bills (Algebra 1 - 2018) (1:23)
Khan video: Polynomial word problem: area of a window (Algebra 1 - 2018) (4:47)
Khan video: Graph interpretation word problem: temperature
Khan video: Graph interpretation word problem: basketball
Practice Problems:
Desmos Activity: Increasing/Decreasing Functions (teacher use only)
Khan exercise: Increasing and decreasing intervals (optional)
Khan exercise: Relative maxima and minima (Algebra 1)
Khan exercise: Absolute maxima and minima (Algebra 1)
Khan exercise: Graph interpretation word problems
Desmos Activity: Build a Bigger Field (teacher use only)
3.7 Average Rate of Change
Explanation
Khan video: Introduction to average rate of change (Algebra 1) (5:30)
Khan video: Worked example: average rate of change from graph (Algebra 1) (2:14)
Khan video: Worked example: average rate of change from table (Algebra 1) (2:19)
Khan video: Average rate of change word problem: table (Algebra 1) (3:39)
Khan video: Average rate of change word problem: graph (Algebra 1) (6:57)
Khan article: Average rate of change review (Algebra 1)
Khan video: Average rate of change word problem: equation (Algebra 1 - 2018) (4:32)
Khan video: Finding average rate of change of polynomials (given an equation) (4:01)
Practice Problems
IXL: Algebra 1 Q.17 Rate of change: graphs
Khan Exercise: Average rate of change word problems (Algebra 1)
Khan exercise: Average rate of change: graphs & tables (Algebra 1)
Khan Exercise: Average rate of change of polynomials
IXL: Algebra 1 Q.16 Rate of change: tables
IXL: Algebra 2 D.10 Average rate of change
3.8 Symmetry of Functions
Explanation:
Khan video: Function symmetry introduction (5:21)
Khan article: Function symmetry introduction (Graphical)
Khan video: Even and odd functions: Graphs (3:52)
Khan video: Even and odd functions: Tables (Graphical) (4:08)
Khan video: Even & odd polynomials (equations) (Algebra 2 - 2018) (7:22)
Khan article: Symmetry of polynomials (Algebra 2 - 2018)
Khan article: Symmetry of algebraic models
Practice Problems
Khan Exercise: Even and odd functions: Graphs and tables
Khan Exercise: Even & odd functions: Equations (Algebra 2 - 2018)
3.9 Polynomial Division
Explanation
Math is Fun: Long Division (the website include text and animated explanations)
Khan video: Intro to long division of polynomials (12:08)
Khan video: Dividing polynomials by linear expressions (3:23)
Khan video: Dividing polynomials by linear expressions: missing term (4:31)
Khan video: Dividing polynomials with remainders (Algebra - all content: honors: dividing by a quadratic) (6:22)
Khan video: Intro to polynomial synthetic division (Algebra - all content) (5:20)
Khan video: Dividing polynomials: synthetic division (Algebra - all content) (4:59)
Practice Problems
Khan exercise: Divide quadratics by linear expressions (with remainders)
Khan exercise: Divide polynomials by linear expressions
Teacher Resource
ExamView Test Bank (purchase)
3.10 Factor Theorem and Remainder Theorem
Explanation
Khan video: Intro to factors & divisibility (Algebra 1) (5:25)
Khan article: Intro to factors & divisibility (Algebra 1)
Khan video: Factoring using polynomial division (completely factor) (5:57)
Khan video: Factoring using polynomial division: missing term (completely factor) (3:57)
Khan video: Intro to the Polynomial Remainder Theorem (6:42)
Khan video: Remainder theorem: finding remainder from equation (3:31)
Khan video: Remainder theorem examples (5:31)
Khan video: Using the Polynomial Remainder Theorem: checking factors (3:25)
Practice Problems
Khan Exercise: Factor using polynomial division (Rewrite a function as a product of linear factors)
Khan exercise: Remainder theorem
Khan Exercise: Remainder theorem and factors
Review
Explanation:
Practice Problems:
Desmos Class activity: Polygraph Polynomial
Desmos Activity: Match My Polynomial
Desmos Activity: Properties of a graph (sign/direction/concavity) (teacher use only) - ignore concavity slides