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Grade 9 math map

Unit 1Expressions and Equations0 / 5
Unit 2Lines and Systems0 / 5
Unit 3Functions0 / 3
Unit 4Exponential Functions0 / 3
Unit 5Polynomials and Quadratics0 / 6
Unit 6Quadratic Functions0 / 5
Unit 7Descriptive Statistics0 / 4
Grade 9 math, topic by topic
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Unit 5 · Polynomials and Quadratics

21 · Quadratic Formula

4 parts · locked
    • Completing the square on numbers
    • Why it works for every quadratic
    • Reading a, b and c
    • Substituting and simplifying
    • Checking, and decimals in context
    • The discriminant counts solutions
    • Not real, and choosing c
    • Match the method to the form
    • Quickest method, mixed practice
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