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135 Solve Exponential Equations

Posljednje ažuriranje about 5 years ago

10

Bell: don't overthink these

solve each without a calculator

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You can now do the first two sections of DeltaMath.

Pitanje 1

1.

x^{2}=25

Pitanje 2

2.

2^{x}=8

Pitanje 3

3.

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.

Pitanje 4

4.

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

Pitanje 5

5.

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

Pitanje 6

6.

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

Pitanje 7

7.

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

Pitanje 8

8.

Solve 10^{5b+2}>1000

Pitanje 9

9.

Pitanje 10

10.

Choose all that are true

I am confident in this lesson.

I would like some assistance.

I can find the common base.