Solving Exponentials with Log

Solve the following exponential equation.

• -15

• -3

• 7/4

• -8

log₅(4x-7)=log₅(x+5)

• 3

• 12

• 4

• 7

log₂(x+3)=4

• 16

• 13

• 3

• 10

Solve for x using logs: 6^3x - 3 = 56

• 2.2757

• 1.3592

• 0.7586

• 0.5903

Solve for x.

8e^x+1 = 40

• 0.61

• 2.6

• No Solution

• -1.61

What will you type in the calculator when you solve the following equation? 2.8^x = 41

Mathematical Equivalence

ON

The exponential function f(x)=2^x and the logarithmic function g(x)=log₂(x) are inverses. You know that because their graphs are reflected over what line?

• the x-axis

• the y-axis

• y=x

• y=-x

Logarithms and Exponentials are what?

• parallel

• perpendiular 

• inverses

• congurent

What will you type in the calculator when you solve the following equation? 2.8^x = 41

Mathematical Equivalence

ON

Logarithms are the inverse of ___________.

• Trees

• Quadratics

• Square

• Exponential