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MATHEMATICS OBJECTIVE
Students will be able to:
solve equations and problems, in real-world contexts, involving square roots and cube roots.
ESSENTIAL UNDERSTANDING
The square root of a positive squared number is that number. The cube root of a cubed number is that number.
I can solve equations that have square roots and cube roots.
I can solve authentic problems involving square roots and cube roots.
You can use square roots to solve equations involving squares.
x^2 = a
√(x^2) = √a
x = +√a, -√a
[Both signs must be considered for x when a is nonnegative.]
You can use cube roots to solve equations involving cubes.
x^3 = b
∛(x^3) = ∛b
x = ∛b
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