8th
-
9th
grade

Mathematics

67%

accuracy

915

plays

Nancy Horwood

4 years

Mathematics

8th -

9thgrade

Powers and Exponents Review

Nancy Horwood

915
plays

15 questions

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1. Multiple Choice
30 seconds
1 pt
In the expression $x^5$ what is the BASE?
x
5
2. Multiple Choice
30 seconds
1 pt
In the expression $5^2$ what is the BASE?
2
5
3. Multiple Choice
30 seconds
1 pt
$y^4$ is the same as...
$y\times4$
$4y$
$y\cdot y\cdot y\cdot y$
4. Multiple Choice
30 seconds
1 pt
$Simplify\ \left(3x^4\right)\left(2x^3\right).\ \ \$

*Reminder:There are no exponents outside the parentheses.
$5x^7$
$6x^7$
$6x^{12}$
5. Multiple Choice
30 seconds
1 pt
$\left(4x^2\right)^3$ is the same as...
*Reminder: There are exponents inside AND outside the parentheses. You are raising a power to another power.
$\left(4\cdot3\cdot x\cdot x\right)\left(4\cdot3\cdot x\cdot x\right)$
$\left(4\cdot x\cdot x\cdot3\right)$
$\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)$
6. Multiple Choice
30 seconds
1 pt
$\frac{x^8}{x^4}$ Simplify
$x^4$
$x^2$
$1^4$
7. Multiple Choice
30 seconds
1 pt
Simplify $\left(5y^2\right)\left(-7xy^3\right)$
$35xy^5$
$-35xy^5$
$-35xy^6$
8. Multiple Choice
30 seconds
1 pt
$\frac{12x^4}{3x}$
$4x^3$
$9x^4$
$4x^4$
$9x^3$
9. Multiple Choice
30 seconds
1 pt
$\frac{20x^3}{4x^3}$
$16x$
$5x$
$5$
10. Multiple Choice
30 seconds
1 pt
Anything to the power of zero is equal to...

Example: $x^0\ \ \ \ or\ \ \ \ 4^0$
0
1
x
11. Multiple Choice
30 seconds
1 pt
Simplify $\frac{27x^3y^6}{9xy^2}$
$3x^3y^4$
$18x^2y^4$
$3x^2y^4$
12. Multiple Choice
30 seconds
1 pt
Simplify $\left(x^2y^3\right)^4$
*Reminder: there are exponents inside AND outside the parentheses. You are raising a power to another power.
$x^8y^{12}$
$x^6y^7$
$x^6y^{12}$
13. Multiple Choice
30 seconds
1 pt
Simplify $4x^2\left(-2x^3y^5\right)$
$-8x^6y^5$
$8x^5y^5$
$-8x^5y^5$
14. Multiple Choice
30 seconds
1 pt
Simplify $\frac{4^7}{4^5}$
$1^2$
$4^2$
15. Multiple Choice
30 seconds
1 pt
Simplify $\frac{-30a^7b^3}{-5a^2b^2}$
$6a^5b$
$-6a^5b$
$25a^5b$
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Powers and Exponents Review

8th - 9thgrade

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