Simple Exponential Equations

Solve for x. 3^x=81

• 4

• 1

• 2

• 3

Rewrite as a logarithmic equation. 2^x=y

• log₂x=y

• log₂y=x

• log2x=y

• 2^y=x

Rewrite as a logarithmic equation. a⁴=b

• log_ab=4

• logab=4

• log=a⁴*b

• log_ba=4

Rewrite as an exponential equation. log₄x=3

• 64

• 4³= x

• 4^3x

• 4=3^x

Rewrite as an exponential equation. logx=15

• log₁₀15=x

• 10¹⁵=x

• x=15

• x¹⁵=1

Find the value of y. log₅(y) = 2

• y=1

• y=25

• y=5

• y=10

Find the value of x. log₄ (16) = x

• y=1

• y=4

• y=3

• y=2

2+5^x=127

• 3

• 1

• 2

• No solution.

Solve:

• -0.5350

• -2.3976

• 0.4596

• 1.2764

Solve:

• -0.9350

• -0.7309

• 2.5197

• 1.2325