Review: Solving Exponentials

Solve for x:

2^{3x - 1} = 32

• 0

• -1

• 5/3

• 2

Tags

CCSS.7.EE.B.4A

Solve: 9^8-x = 27^x-3

• x = 5
• x = -5
• x = 1/5
• x = -1/5

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.4

Solve for x:
5^x = 17

• x = log₁₇5
• x = log 5 + log 17
• x = log₅17
• x = (log 5)/(log 17)

Tags

CCSS.HSF.BF.B.5

Solve for x:
8^x+1= 3

• 0.528
• 0.893
• -0.472
• 1.893

Tags

CCSS.7.EE.B.4A

Solve

14^4-6x = 11

(round to the nearest hundredth)

• -0.48

• 0.52

• 5.21

• 0.48

Tags

CCSS.7.EE.B.4A

2^x - 5 = 12

• x = 8.5

• x = 4.1

• x = 6.2

• x = 3.9

Tags

CCSS.7.EE.B.4A

Use a LOG to solve the exponential function.  
2^x-1 + 5 = 20

• x = 3.91
• x = -0.46
• x = 4.91
• x = 5.31

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Expand: log (x²y³)

• 2log x - 3 log y

• 3log x + 2 log y

• 6 log xy

• 2log x + 3 log y

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

Expand: log (6/z)

• log 6 - log z

• log 6 + log z

• log z - log 6

• 6 log z

Condense: 4log a - 5 log b

• log a⁴/b⁵

• log a⁴b⁵

• log a⁴ - b⁵

• log 20ab