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Solve Equations with Squared Variables

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Solve Equations with Squared Variables

CCSS Math: 8.EE.2

8.EE.2 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.

This expressions and equations lesson teaches students how to solve equations with squared variables. The lesson includes research-based strategies and strategic questions that prepare students for assessments. In this lesson, students find the values of squared variables in equations. Students will solve for a variety of equations, including several real-world word problems.

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Standard Alignments:

CCSS Math: 8.EE.2

8.EE.2 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.


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