42. & 43. Solving Logarithms

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.B.5

log_x1000=3

• 1

• 10

• 30

• 3

Tags

CCSS.HSF.BF.B.5

log₈(4x+4)=2

• 15

• 12

• 10

• 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

Solve the equation.

• -2 and 5

• 5 only

• 2 and -5

• 2 only

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

Solve the equation.

• -4 and -7

• -4 only

• 4 and 7

• 4 only

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

Solve the equation.

• -1

• 3/4

• 7

• 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

Solve the equation.

• 2

• 19

• 36

• 40

Tags

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

 $2\left(7^x\right)=686$  

What would you do first to solve?

• Rewrite  $7^x$  in logarithmic form

• Multiply both sides by 2

• Take the square root of both sides

• Divide both sides by 2

Tags

CCSS.HSA.REI.A.1

 $2^{13x}=8$  Evaluate:

• 8192

• 3

•  $\frac{3}{13}$  

• 256

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve:
3^x-1 = 81

• 5
• 6
• 9
• 10

Tags

CCSS.7.EE.B.4A