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Grade 8Algebraic Thinking

8.EE.A.2

Use square and cube roots to solve equations, and know √2 is irrational.

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Square and Cube Root Equations4 ways
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The standard, officially

Use square root and cube root symbols to represent solutions to equations of the form x² = p and x³ = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.