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Grade 8 Algebra: Evaluating Powers

Name: ______________________Date: ____________Score: ____ / 6

Level 3

Variables and negative exponents

1. Evaluate for x = 3:
$x^3 - 2x$
2. Evaluate for a = -2, b = 5:
$a^2b$
3. Evaluate:
$(-1)^{25}$
4. Evaluate:
$\dfrac{(2^3)^2}{2^4}$
5. Evaluate:
$3^{-2} + 3^0$
6. Evaluate for x = 4:
$x^{-2}$

$\text{Evaluating}$ $\text{Powers:}$ $\text{Free}$ $\text{8th}$ $\text{Grade}$ $\text{Math}$ $\text{PDF}$

$\text{Exponents}$ $\text{provide}$ $\text{a}$ $\text{compact}$ $\text{way}$ $\text{to}$ $\text{write}$ $\text{repeated}$ $\text{multiplication.}$ $\text{The}$ $\text{exponent}$ $\text{rules}$ $\text{explain}$ $\text{how}$ $\text{to}$ $\text{multiply,}$ $\text{divide}$ $\text{and}$ $\text{raise}$ $\text{powers,}$ $\text{and}$ $\text{extend}$ $\text{these}$ $\text{patterns}$ $\text{to}$ $\text{zero}$ $\text{and}$ $\text{negative}$ $\text{exponents.}$

$\text{Evaluating}$ $\text{Powers.}$ $\text{Level}$ $\text{3:}$ $\text{Variables}$ $\text{and}$ $\text{negative}$ $\text{exponents.}$