Solving with Exponents

Solving with Exponents

9th Grade

10 Qs

quiz-placeholder

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Solving with Exponents

Solving with Exponents

Assessment

Quiz

Mathematics

9th Grade

Medium

CCSS
8.EE.A.1, 6.EE.A.1, 6.EE.A.2C

+1

Standards-aligned

Created by

Lauren Hawkins

Used 10+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 32 =-3^2\ =  

9

6

-9

-6

Answer explanation

PEMDAS - exponents, then multiply!  (32)=9-\left(3^2\right)=-9  

Tags

CCSS.6.EE.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3)2 =\left(-3\right)^2\ =  

9

6

-9

-6

Tags

CCSS.6.EE.A.2C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve

 5x53=255^x\cdot5^3=25  

 23\frac{2}{3}  

 1-1  

 32\frac{3}{2}  

 55  

Answer explanation

 5x53=525x+3=52x+3=25^x\cdot5^3=5^2\longrightarrow5^{x+3}=5^2\longrightarrow x+3=2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve

 42x=6434^{2x}=64^3  

 33  

 32\frac{3}{2}  

 92\frac{9}{2}  

 23-\frac{2}{3}  

Answer explanation

 42x=64342x=43(3)2x=94^{2x}=64^3\longrightarrow4^{2x}=4^{3\left(3\right)}\longrightarrow2x=9  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve

 (13)x=92x\left(\frac{1}{3}\right)^x=9^{2x}  

 00  

 4-4  

 14-\frac{1}{4}  

 11  

Answer explanation

 (13)x=92x(31)x=32(2x)x=4x\left(\frac{1}{3}\right)^x=9^{2x}\longrightarrow\left(3^{-1}\right)^x=3^{2\left(2x\right)}\longrightarrow-x=4x  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve

 (14)x=(18)2\left(\frac{1}{4}\right)^x=\left(\frac{1}{8}\right)^2  

 33  

 1-1  

 2-2  

Not here

Answer explanation

 (41)x=(81)2(22)x=(23)22x=6\left(4^{-1}\right)^x=\left(8^{-1}\right)^2\longrightarrow\left(2^{-2}\right)^x=\left(2^{-3}\right)^2\longrightarrow-2x=-6  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (1002)x=10\left(100^2\right)^{-x}=10  

 14\frac{1}{4}  

 00 

 4-4  

 14-\frac{1}{4}  

Answer explanation

 (1022)x=101104x=1014x=1\left(10^{2\cdot2}\right)^{-x}=10^1\longrightarrow10^{-4x}=10^1\longrightarrow-4x=1  

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