Math Catch up Khan Academy
Videos and lessons
Special products of the form (ax+b)(ax-b)
https://youtu.be/xjkbR7Gjgjs
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:special-product-binomials/a/binomial-special-products-review
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:inputs-and-outputs-of-a-function/e/match-inputs-to-outputs-from-a-graph
Worked example: matching an input to a function's output (graph)
Worked example: two inputs with the same output (graph)
Special products of the form (ax+b)(ax-b)
https://youtu.be/xjkbR7Gjgjs
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:special-product-binomials/a/binomial-special-products-review
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:inputs-and-outputs-of-a-function/e/match-inputs-to-outputs-from-a-graph
Worked example: matching an input to a function's output (graph)
Worked example: two inputs with the same output (graph)
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