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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 2 · Lines and Systems

8 · Solving Linear Systems

5 parts · locked
    • A solution is on both lines
    • Reading the crossing
    • Substitute an expression
    • Solve for a variable first
    • Add or subtract
    • Multiply one equation first
    • Multiply both, and clear decimals
    • Why you may add
    • Equivalent systems
    • Reading the lines
    • Reading the algebra
    • Build a system
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