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Exponentials & Logarithms Review

Authored by Aaron Tyson

Mathematics

10th - 12th Grade

Used 17+ times

Exponentials & Logarithms Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rewrite in exponential form:

 log13(169)=2\log_{13}\left(169\right)=2  

 132=16913^2=169  

 213=1692^{13}=169  

 16913=2169^{13}=2  

 13169=213^{169}=2  

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rewrite in logarithmic form:

 182=32418^2=324  

 log2(18)=324\log_2\left(18\right)=324  

 log2(324)=18\log_2\left(324\right)=18  

 log18(324)=2\log_{18}\left(324\right)=2  

 log18(2)=324\log_{18}\left(2\right)=324  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rewrite in exponential form:

 logx(105)=y\log_x\left(105\right)=y  

 yx=105y^x=105  

 xy=105x^y=105  

 x105=yx^{105}=y  

 105y=x105^y=x  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Rewrite in logarithmic form:

 yx=72y^x=72  

 logy(72)=x\log_y\left(72\right)=x  

 logx(72)=y\log_x\left(72\right)=y  

 log72(y)=x\log_{72}\left(y\right)=x  

 logy(x)=72\log_y\left(x\right)=72  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evaluate:

 log2(16)=\log_2\left(16\right)=  

 88  

 3232  

 44  

 22  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Evaluate:

 log4(116)=\log_4\left(\frac{1}{16}\right)=  

 12\frac{1}{2}  

 22  

 44  

 2-2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Expand the logarithm:

 log6(uv)\log_6\left(\frac{u}{v}\right)  

 log6(u)log6(v)\log_6\left(u\right)-\log_6\left(v\right)  

 logu(6)+logv(6)\log_u\left(6\right)+\log_v\left(6\right)  

 log6(u)+log6(v)\log_6\left(u\right)+\log_6\left(v\right)  

 log6(u)log6(v)\log_6\left(u\right)\cdot\log_6\left(v\right)  

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