Solving Logs and Exponentials

Solve for x:
log₈(x) = 2

• 10
• 128
• 64
• 82

Solve:
log x + log 8 = 2 

• 10
• 12.5
• 15
• 17.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₂(x + 5) = 3

• 3
• 4
• 5
• 6

• 9/5
• 7/4
• -25/3
• -42/5

Solve:

_{log (4x − 5) = 3/2}

• 126.25

• 6.656

• 9.156

• 2.410

Solve:
log₂2x = -0.65 

• 0.32
• 0.23
• 0.45
• 0.54

Tags

CCSS.HSF.BF.B.5

Solve: 5^3x-6 =125

• x=6
• x=3
• x=10
• x=25

Tags

CCSS.7.EE.B.4A

Solve for a:
5^{a + 2} = 1/125

• -1
• -6/7
• -5
• 4

Tags

CCSS.HSF.LE.A.4

Solve for v:
2^{-v - 3} = 1

• 1
• 6
• -8
• -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.LE.A.4

5(6)^3x=20

• 2.3

• .26

• .04

• 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4