Logs and Exponentials

Solve:
_{log (−2a + 9) = log (7 − 4a)} 

• -5
• -1
• 1
• 5

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.BF.B.5

• -1.44
• 12
• -8
• -4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

4^(x-2)= 64^(x+1)

• -2/5
• -5/2
• 7/2
• 2/7

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

• -1
• -4
• 4/3
• 2/3

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.4

Solve for x:
5^2x = 5^-x

• 0
• -6
• 8
• 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

• A
• B
• C
• D

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

• r = 10
• r = 0, r = 10
• r = 6
• r= -8, r = 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve for j:
log( 3j+3)=log( j²-7)

• 5
• -2
• -2,5
• No Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve for x:

• 1/4
• -4
• 4
• -1/4

Tags

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₃81 = 

• 2
• 3
• 4
• 5

Tags

CCSS.HSF.BF.B.5