CPM Homework Help : AC Problem 3-57

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Home > AC > Chapter 14 > Lesson 14.3.1.4 > Problem 3-57

3-57.

Solve each equation below for x. Refer back to problem 3-30 for examples, if necessary. Homework Help ✎
1. 2⁽^x⁺³⁾ = 64
2. 8^x = 4⁶

Hint (a):

64 = 2⁶

Answer (a):

2⁽^x^{+ 3)} = 2⁶

x + 3 = 6

x = 3

Hint (b):

Do 8 and 4 have a common base?

Hint (c):

$\text{Notice: }\frac{1}{27}=3^{-3}$

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