135 Solve Exponential Equations - Marjorie Brewer | Library

Bell: don't overthink these
solve each without a calculator

1

x^{2}=25

1

2^{x}=8

1

3^{x-1}=27

Notes L7-2: Solving Exponential Equations and Inequalities

We have solved exponential equations using the LN button, but you can also some them using some basic ideas about exponents.

If  2^{x}=64, then x=6 because 64=2^6.

1

Solve 5^{x+2}=125^{x-4}

1

Solve \left(\frac{1}{9}\right)^{x}=27^{x-3}

1

Solve 3^{-2x}=\left(\frac{1}{27}\right)^{x-4}

1

Solve 4^{2x+6}\leq64^{2x-4}

1

Solve 10^{5b+2}>1000

1

0

Choose all that are true

You can now do the first two sections of DeltaMath.