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Condensing and Expanding Logarithms

Condensing and Expanding Logarithms

Assessment

Presentation

Mathematics

9th - 12th Grade

Hard

Created by

James Gonzalez

FREE Resource

3 Slides • 9 Questions

1

Evaluating/Expanding/Condensing Logs

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2

Evaluate each log

3

Multiple Choice

log4 116\log_4\ \frac{1}{16}  

1

-2

2

2

3

4

4

-4

5

No solution

4

Multiple Choice

log2 8\log_2\ 8  

1

13\frac{1}{3}  

2

-3

3

3

4

4

5

No solution

5

Multiple Choice

log16 (14)\log_{16}\ \left(\frac{1}{4}\right)  

1

12\frac{1}{2}  

2

12-\frac{1}{2}  

3

-2

4

No solution

6

Multiple Choice

log3 3\log_3\ 3  

1

1-1  

2

00  

3

1

4

No solution

7

Multiple Choice

log17 (149)\log_{\frac{1}{7}}\ \left(\frac{1}{49}\right)  

1

22  

2

12-\frac{1}{2}  

3

-2

4

No solution

8

Expand or condense

9

Multiple Choice

log6 (xy5)4\log_6\ \left(\frac{x}{y^5}\right)^4  

1

4log6xlog6y4\log_6x-\log_6y  

2

4log6x5log6y4\log_6x-5\log_6y  

3

4log6x20log6y4\log_6x-20\log_6y  

10

Multiple Choice

log8 xyz\log_8\ \sqrt{xyz}  

1

log8 x+log8 y+log8 z\log_8\ x+\log_8\ y+\log_8\ z  

2

log8 x2+log8 y2+log8 z2\frac{\log_8\ x}{2}+\frac{\log_8\ y}{2}+\frac{\log_8\ z}{2}  

3

2log8 x+2log8 y+2log8 z2\log_8\ x+2\log_8\ y+2\log_8\ z  

11

Multiple Choice

3log7 a6log7 b3\log_7\ a-6\log_7\ b  

1

log7 (ab)18\log_7\ \left(ab\right)^{18}  

2

log7 a3b6\log_7\ a^3\cdot b^6  

3

log7 a3b6\log_7\ \frac{a^3}{b^6}  

12

Multiple Choice

2loga 3+12loga 92\log_a\ 3+\frac{1}{2}\log_a\ 9  

1

loga 27\log_a\ 27  

2

loga 32912\log_a\ \frac{3^2}{9^{\frac{1}{2}}}  

3

loga 27\log_{a\ }\sqrt{27}  

Evaluating/Expanding/Condensing Logs

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