Solve Exponential Equations by Taking the Log of Both Sides

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

Mathematical Equivalence

ON

Tags

CCSS.HSF.LE.A.4

log₆(3x - 2) = log₆(5x - 8)

Mathematical Equivalence

OFF

Solve

• A

• B

• C

• D

Tags

CCSS.HSF.LE.A.4

Solve

• -2

• 6

• 9

• 3

• x=5.67

• x=9.58

• x=7.64

• x=2.31

Solve: 7^x = 7²

• x = 1

• x = -1

• x = -2

• x = 2

how do we solve exponential equations?

• clean it up, then log both sides

• clean it up, then rewrite as an exponential

• guess and check

if you are solving for t in the continuous compounding equation, what is the base of your log?

• 10

• 2

• e

• it has no base

what TYPE of functions are the compound interest functions?

• linear

• quadratic

• log

• exponential

How do you solve an exponential equation?

• By factoring

• By graphing

• By completing the square

• By taking the log of both sides