Solving Log Equations Lesson Slides: 4 Slides (11th Grade)

4 Slides • 12 Questions

1

Solving Log Equations

2

3

Fill in the Blanks

$\log_2\ \left(1-n\right)\ =\ \log_{2\ }\left(-2n-10\right)$

Type answer...

4

Multiple Choice

log₅(4x-7)=log₅(x+5)

1

3

2

12

3

4

7

5

Multiple Choice

$\log_3\left(n^2+4n\right)=\log_3\left(35+2n\right)$

1

5

2

5, -7

3

-3, 5

4

-7

6

Multiple Choice

$\log\ \left(9-x\right)=\log\ \left(2x-6\right)$

1

5

2

-11

3

$\frac{18}{19}$

4

-4

7

8

Fill in the Blanks

Solve: $\log_36-\log_3\left(-2x-8\right)=1$
JUST TYPE THE NUMBER.

Type answer...

9

Multiple Select

Determine the extraneous solution(s) for the equation: $\log_4\left(x-6\right)+\log_4\left(x-12\right)=2$
Select all that apply.

1

14

2

4

3

16

4

2

10

Multiple Choice

$\log_3\ x\ +\ \log_3\ 4\ =\ 4$

1

$\frac{27}{2}$

2

$\frac{3}{2}$

3

$\frac{9}{7}$

4

$\frac{81}{4}$

11

Multiple Choice

$\log_4\ 6\ +\ \log_4\ x\ =\ 2$

1

$\frac{32}{5}$

2

32

3

$\frac{8}{3}$

4

8

12

13

Multiple Choice

Determine the correct set-up for:

log₄(x-1) - log₄(x+7) = log₄6

1

log₄(x-1)/(x+7)=log₄(6)

2

log₄(x-1)(x+7)=log₄(6)

3

log₄(x+7)/(x-1)=log₄(6)

4

(x-1)(x+7)=6

14

Multiple Choice

Solve log₉ (x - 4) + log₉ (x + 1) = log₉ (x + 5) + log₉ (x - 6)

1

17/2

2

-9/16

3

13

4

-8

15

Multiple Choice

log₉(x)+log₉(x+2)=log₉(35)

1

5

2

-7

3

5, -7

4

-7, -13

16

Multiple Choice

Solve:

log (x - 1) - log (x - 2) = log 5

1

7

2

4/9

3

9/4

4

1/7

Solving Log Equations

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