Algebra 2

Algebra 2 Concept Videos and Practice

The videos and practice links here are just samples of the MANY available on the internet. If you need more help, search the internet using the topic heading. These are some good places to start looking.

Free videos and practice by Khan Academy: https://www.khanacademy.org/math/geometry-home/geometry-lines

Free video library by MathisPower4u by James Sousa - MANY topics!

http://www.mathispower4u.com/

Free worksheets with answers by KUTA software: http://www.kutasoftware.com/freeige.html

Free practice with immediate feedback by IXL:

https://www.ixl.com/math/algebra-2

Unit 1 - Functions

Find domain and range from a graph video

https://www.youtube.com/watch?v=fyROLkZc75E

Operations with functions video

https://www.youtube.com/watch?v=dAW1KXejciQ

Operations with functions practice

https://www.ixl.com/math/precalculus/add-subtract-multiply-and-divide-functions

Composition of functions video

https://www.youtube.com/watch?v=S4AEZElTPDo

Composition of functions practice

https://www.ixl.com/math/precalculus/composition-of-functions

Evaluate a function from a graph video

https://www.youtube.com/watch?v=1BfRY7jcjxc

Operations with functions and Composition of functions practice

http://www.algebralab.org/practice/practice.aspx?file=Algebra2_7-6.xml

Evaluate a function from a graph practice

https://www.khanacademy.org/math/algebra/algebra-functions/evaluating-functions/e/evaluate-functions-from-their-graph

Absolute Value Inequalities Practice

https://www.ixl.com/math/algebra-1/solve-absolute-value-inequalities

https://mathbitsnotebook.com/Algebra2/AbsoluteValue/AVIneaulitiesPractice.html

Unit 2 - Factoring Quadratics

Factoring a=1 Videos

https://www.youtube.com/watch?v=fmLM8xt-YIg

https://www.youtube.com/watch?v=ilkY5DwkwaM

https://www.youtube.com/watch?v=g6RnAY_VkMs

Practice with Factoring a=1

https://www.khanacademy.org/math/algebra/polynomial-factorization/factoring-quadratics-1/e/factoring_polynomials_1

https://www.mangahigh.com/en-us/games/wrecksfactor

Methods for factoring quadratics when a>1

Method 1: Decomposition (“a times c, rewrite b”)

Video: https://www.youtube.com/watch?v=Avq0w7hocE8

Method 2: “Slide and Divide”

(NOTE: You MUST remember to factor out a GCF first, or that factor will be lost when simplifying.)

Video - https://www.youtube.com/watch?v=TU15PaFhj5o

Method 3: Fraction Factoring:

(NOTE: You MUST remember to factor out a GCF first, or that factor will be lost when simplifying.)

Video - https://www.youtube.com/watch?v=uaPgfKCj5CY

Method 4: Tic-Tac-Toe Factoring:

Instructional slide show … http://www.scribd.com/doc/2440412/Tic-Tac-Toe-Factoring.

Practice with Factoring a>1

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratic-equations-by-factoring/e/solving_quadratics_by_factoring_2

http://www.mesacc.edu/~scotz47781/mat120/notes/factoring/trinomials/a_is_not_1/trinomials_practice.html

https://www.ixl.com/math/algebra-2/factor-quadratics

https://mathbitsnotebook.com/Algebra1/Factoring/FCTrinomialPractice.html

Solving quadratics:

Solving quadratics by factoring video

https://www.youtube.com/watch?v=g6RnAY_VkMs&scrlybrkr

Solving quadratics by factoring practice

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratic-equations-by-factoring/e/solving_quadratics_by_factoring_2

http://www.coolmath.com/crunchers/algebra-problems-solving-quadratics-factoring

Harder:

http://www.mesacc.edu/~scotz47781/mat120/notes/factoring/solving_by/quadratics/quadratics_practice.html

Solving quadratics using the quadratic formula video

https://www.youtube.com/watch?v=H5AM1bzqCQw

Solving quadratics using the quadratic formula practice

https://www.ixl.com/math/algebra-1/solve-a-quadratic-equation-using-the-quadratic-formula

https://www.khanacademy.org/math/algebra/quadratics/solving-quadratics-using-the-quadratic-formula/e/quadratic_equation

Solving quadratics - pick a method

http://www.purplemath.com/modules/solvquad6.htm?scrlybrkr

Solving quadratics - game

https://www.mangahigh.com/en-us/math_games/algebra/solve_quadratics_using_the_formula/solve_trinomials_by_using_the_quadratic_formula

Algebra 1 Skill Review

Simplify square roots video

Basic - https://www.khanacademy.org/math/in-eighth-grade-math/squares-square-roots/square-roots/v/simplifying-square-roots-1

With variables -

https://www.youtube.com/watch?v=M_zIjMICB3k

Dividing -

https://www.youtube.com/watch?v=LfsJxeye1CA

operations with imaginary numbers practice

https://www.ixl.com/math/algebra-2/add-subtract-multiply-and-divide-complex-numbers

operations with imaginary numbers video

https://www.youtube.com/watch?v=GH2fzLCCdKc&scrlybrkr

Unit 3 - Graphing Quadratics

Lots of factoring and solving practice in the quadratics section of IXL - https://www.ixl.com/math/algebra-2

Graphing quadratics from vertex form video

https://www.youtube.com/watch?v=y99lNRqLjBA

https://www.khanacademy.org/math/algebra/quadratics/vertex-form-alg1/v/quadratic-functions-2

Graphing quadratics from vertex form practice

https://www.khanacademy.org/math/algebra/quadratics/vertex-form-alg1/e/graphing_parabolas_1

Graphing quadratics from standard form video

https://www.youtube.com/watch?v=vphPafWDZkw

Graphing quadratics from standard form practice

https://www.ixl.com/math/algebra-2/graph-a-quadratic-function

https://www.ixl.com/math/algebra-2/match-quadratic-functions-and-graphs

Write a quadratic from its zeros (roots, x-intercepts) practice

https://www.ixl.com/math/algebra-2/write-a-quadratic-function-from-its-zeros

Quadratics Applications instruction and practice

http://www.purplemath.com/modules/quadprob.htm?scrlybrkr

https://www.khanacademy.org/math/algebra/quadratics/quad-standard-form-alg1/e/key-features-quadratics

https://www.cos.edu/Faculty/jonb/Documents/10.6.pdf (not all answers are provided)

http://www.shelovesmath.com/algebra/intermediate-algebra/quadratic-applications/

Unit 4 - Polynomial Functions

Writing equation of polynomial when given roots videos

https://www.youtube.com/watch?v=CaU5uyL3lD4

https://www.youtube.com/watch?v=Vc4sBy8ZWOE

https://www.youtube.com/watch?v=zXqTCuYYPHw

https://www.youtube.com/watch?v=5IC21Ue0-NY

Writing equation of polynomial when given roots practice

https://www.ixl.com/math/algebra-2/write-a-polynomial-from-its-roots

Interpreting polynomials video - end behavior

https://www.google.com/search?q=finding+end+behavior+of+polynomials+video&rlz=1C1GGRV_enUS765US765&oq=finding+end+behavior+of+polynomials+video&aqs=chrome..69i57.17361j0j7&sourceid=chrome&ie=UTF-8#kpvalbx=1

Finding possible rational roots video

https://www.youtube.com/watch?v=GTx-rXTQg1o

Finding possible rational roots practice

https://www.ixl.com/math/algebra-2/rational-root-theorem

Synthetic division video

https://www.khanacademy.org/math/algebra2/arithmetic-with-polynomials/synthetic-division-of-polynomials/v/synthetic-division

Synthetic division practice

https://www.ixl.com/math/algebra-2/divide-polynomials-using-synthetic-division

https://www.ixl.com/math/algebra-2/evaluate-polynomials-using-synthetic-division

https://www.ixl.com/math/algebra-2/solve-polynomial-equations

https://www.ixl.com/math/algebra-2/find-the-roots-of-factored-polynomials

Unit 5 Data Analysis (if time permits)

Unit 6 - Rational Functions

Simplifying rational expressions video

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rational-expressions/v/simplifying-rational-expressions-introduction

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rational-expressions/v/simplifying-rational-expressions-introduction

https://www.youtube.com/watch?v=x6XyP2_RfA4

Simplifying rational expressions practice

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rational-expressions/e/simplifying_rational_expressions_2

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/simplify-rational-expressions/e/simplifying_rational_expressions_3

Multiplying rational expressions video

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/multiplying-and-dividing-rational-expressions/v/multiplying-and-dividing-rational-expressions-2

https://www.youtube.com/watch?v=MJaGrODQr1U

Multiplying rational expressions practice

http://www.mesacc.edu/~scotz47781/mat120/notes/rational/multiplying/mult_rational_practice.html

Dividing rational expressions video

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/multiplying-and-dividing-rational-expressions/v/multiplying-and-dividing-rational-expressions-3

https://www.youtube.com/watch?v=XvJq5kfKpAM

Dividing rational expressions practice

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/multiplying-and-dividing-rational-expressions/e/multiplying_and_dividing_rational_expressions_2

https://www.ixl.com/math/algebra-2/multiply-and-divide-rational-expressions

Adding and Subtracting rational expressions video

Same denominators

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/adding-and-subtracting-rational-expressions/v/adding-and-subtracting-rational-expressions-with-like-denominators

Different denominators

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/adding-and-subtracting-rational-expressions/v/adding-rational-expression-w-unlike-denominators

https://www.youtube.com/watch?v=d3xr5a4cln0

Adding and Subtracting rational expressions practice

Same denominators https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/adding-and-subtracting-rational-expressions/e/adding_and_subtracting_rational_expressions

Different denominators

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/adding-and-subtracting-rational-expressions/e/adding_and_subtracting_rational_expressions_5

https://www.ixl.com/math/algebra-2/add-and-subtract-rational-expressions

Solving rational equations video

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/solving-rational-equations/v/ex-1-multi-step-equation

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/solving-rational-equations/v/equations-with-two-rational-expressions

Solving rational equations practice

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/solving-rational-equations/e/linear_equations_4

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/solving-rational-equations/e/rational-equations-3

http://www.mesacc.edu/~scotz47781/mat120/notes/rational/solving/solving_practice.html

Finding vertical asymptotes video

https://www.youtube.com/watch?v=iJocL4mOeWw

Finding vertical asymptotes practice

http://www.softschools.com/math/calculus/finding_vertical_asymptotes_of_rational_functions/

Finding horizontal asymptotes video

https://www.youtube.com/watch?v=0cPptjKTR7M&disable_polymer=true

Finding horizontal asymptotes practice

http://www.softschools.com/math/calculus/finding_horizontal_asymptotes_of_rational_functions/

https://www.ixl.com/math/algebra-2/rational-functions-asymptotes-and-excluded-values

Graphing rational functions videos

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/graphs-of-rational-functions/v/horizontal-vertical-asymptotes

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/graphs-of-rational-functions/v/another-rational-function-graph-example

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/graphs-of-rational-functions/v/asymptotes-of-rational-functions

https://www.khanacademy.org/math/algebra2/rational-expressions-equations-and-functions/graphs-of-rational-functions/v/a-third-example-of-graphing-a-rational-function

Graphing rational functions practice

http://www.coolmath.com/algebra/23-graphing-rational-functions

https://mathbitsnotebook.com/Algebra2/Rationals/RATgraphpractice.html

https://cdn.kutasoftware.com/Worksheets/Alg2/Graphing%20Rational%20Functions.pdf

Unit 7 - Radical Functions

Simplify easy radicals video

https://www.youtube.com/watch?v=u2Z1hoXSrXk

https://www.khanacademy.org/math/in-eighth-grade-math/squares-square-roots/square-roots/v/simplifying-radicals

Simplify Radicals complete lesson -

https://www.khanacademy.org/math/algebra-home/alg-exp-and-log/miscellaneous-radicals/v/simplifying-square-root-expressions-no-variables (Follow the menu options on the left side of the window to get the coplete lesson.)

Simplify easy radicals practice

Roots of integers

Roots of rational numbers

Simplify radicals with index>2 video

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-higher-index-roots/v/radical-expressions-with-higher-roots

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-higher-index-roots/v/radical-equivalent-to-rational-exponents-2

Simplify radicals practice

https://www.khanacademy.org/math/in-eighth-grade-math/squares-square-roots/square-roots/e/simplifying_radicals

Rational exponents and radicals videos and practice

Intro - (watch video, then use links on the leftof the screen to practice) https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/rational-exponents-intro/v/basic-fractional-exponents

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals

Simplify expressions involving rational exponents

Simplify expressions involving rational exponents II

Operations with Radicals practice

Multiply radical expressions

Divide radical expressions

Add and subtract radical expressions

Simplify radical expressions using the distributive property

Simplify radical expressions using conjugates

Solve radical equations

Radical Function Graphs Video https://www.khanacademy.org/math/algebra2/radical-equations-and-functions/modal/v/graphs-of-square-root-functions

https://www.khanacademy.org/math/algebra2/radical-equations-and-functions/graphs-of-radical-functions/v/radical-function-graphs-exercise

Radical Function Graphs Practice

https://www.khanacademy.org/math/algebra2/radical-equations-and-functions/graphs-of-radical-functions/a/match-the-formula-of-a-radical-function-to-its-graph

Domain and range of radical functions

Domain of a radical function video

https://www.khanacademy.org/math/algebra2/radical-equations-and-functions/domain-of-radical-functions/v/domain-of-a-radical-function

Practice unit test

https://www.khanacademy.org/math/algebra2/radical-equations-and-functions/modal/test/radical-equations-and-functions-unit-test

Review Transformations of Functions

Transformations of functions

Describe function transformations

Unit 8 - Exponential and Logarithmic Functions

Evaluate rational exponents practice

https://www.ixl.com/math/algebra-2/evaluate-rational-exponents

https://www.ixl.com/math/algebra-2/power-rule

Radical to Exponential Form video

https://www.youtube.com/watch?v=gqNMJe2THLY

Radical to Exponential Form practice

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/rational-exponents-intro/e/exponents_3

Growth and Decay practice

https://www.ixl.com/math/algebra-1/exponential-growth-and-decay-word-problems

Compound Interest described

http://www.meta-financial.com/lessons/compound-interest/formula-calculate.php

Compound Interest video

https://www.youtube.com/watch?v=ppBi3TN9D10&disable_polymer=true

Compound Interest practice

https://www.ixl.com/math/algebra-2/compound-interest-word-problems

Continuous Interest video

https://www.youtube.com/watch?v=P182Abv3fOk

Logarithm Introduction video

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/modal/v/logarithms

*Logarithmic to exponential form video

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/introduction-to-logarithms/v/exponential-to-logarithmic-form

https://www.youtube.com/watch?v=OitymvwXr18

*Convert between logarithmic and exponential form practice

https://www.ixl.com/math/algebra-2/convert-between-exponential-and-logarithmic-form-rational-bases

Evaluate logarithms practice

https://www.ixl.com/math/algebra-2/evaluate-logarithms

*Using Change of base formula

https://www.ixl.com/math/algebra-2/change-of-base-formula

*Properties of Logarithms video

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/properties-of-logarithms/v/introduction-to-logarithm-properties

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/properties-of-logarithms/v/introduction-to-logarithm-properties-part-2

*Properties of Logarithms practice

https://www.khanacademy.org/math/algebra2/exponential-and-logarithmic-functions/properties-of-logarithms/e/logarithms_2

https://www.ixl.com/math/algebra-2/identify-properties-of-logarithms

https://www.ixl.com/math/algebra-2/product-property-of-logarithms

https://www.ixl.com/math/algebra-2/quotient-property-of-logarithms

https://www.ixl.com/math/algebra-2/power-property-of-logarithms

https://www.ixl.com/math/algebra-2/properties-of-logarithms-mixed-review

*Solving log equations video

https://www.youtube.com/watch?v=ExbzXBS5W-k

*Solving log equations practice

https://www.ixl.com/math/algebra-2/solve-logarithmic-equations

https://www.ixl.com/math/algebra-2/solve-logarithmic-equations-ii

Solving exponential equations using logs practice

https://www.ixl.com/math/algebra-2/solve-exponential-equations-using-common-logarithms

Solving exponential equations using natural logs practice

https://www.ixl.com/math/algebra-2/solve-exponential-equations-using-natural-logarithms