Logarithms Solving

We want to solve for x. Which of these is the correct "step 1"?

Continue solving for x. Which is the correct "step 2"?

Finish solving for x.

Fill in the blank in the box below

log₉(5x + 21) = log₉(2x + 9)

• 9

• -4

• 7

• -10

log_x(121) = 2

• x = 10

• x = 11

• x = 242

• x = 12

Tags

CCSS.HSF.BF.B.5

log₉(x) = 3

• x = 27

• x = 79

• x = 729

• x = 19,683

Tags

CCSS.HSF.BF.B.5

Write in logarithmic form:
9² = 81

• log ₉ 81 = 2

• log ₂ 81 = 9

• log ₉ 2 = 81

• log ₂ 9 = 81

Tags

CCSS.HSF.BF.B.5

Write in logarithmic form:
4⁵ = 1024

• log ₄ 1024 = 5

• log ₅ 1024 = 4

• log ₄ 5 = 1024

• log ₅ 4 = 1024

Tags

CCSS.HSF.BF.B.5

Write in logarithmic form.
5² = 25

• log₅2 = 25

• log₂25 = 5

• log₂₅5 = 2

• log₅25 = 2

Tags

CCSS.HSF.BF.B.5

To evaluate a logarithm statement log₉81, you think "9 to what power is 81".

• True, and it's 2

• False

Tags

CCSS.HSF.BF.B.5