#54 Solving Log Equations

#54 Solving Log Equations

9th - 12th Grade

7 Qs

quiz-placeholder

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#54 Solving Log Equations

#54 Solving Log Equations

Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

Created by

Kierin Stevens

Used 12+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve

log2(x + 5) = 3

3

4

5

6

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

Solve

5
13
84
-20

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve:
 log2(x26)=log2(2x+2)\log_2(x^2-6)=\log_2(2x+2) 

 x=2x=-2  

 x=4x=4  

 x=2, 4x=-2,\ 4  

No Solution

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve:
 log5(4x9)=2\log_5\left(4x-9\right)=2 

 x=7x=7  

 x=7.5x=7.5  

 x=8x=8  

 x=8.5x=8.5  

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve:
 log9(x2+30)=log9(11x+2)\log_9(x^2+30)=\log_9(-11x+2) 

 x=7x=-7  

 x=4x=-4  

 x=7, 4x=-7,\ -4  

No Solution

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

log(x+6) = 1

4
4.222
-5
-9.550

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Solve:

 log9(7x4)=log9(2x+11)\log_9\left(7x-4\right)=\log_9\left(2x+11\right) 

 x=3x=-3  

 x=35x=-\frac{3}{5}  

 x=35x=\frac{3}{5}  

 x=3x=3