CPM Homework Help : A2C Problem 3-79

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Home > A2C > Chapter Ch3 > Lesson 3.1.6 > Problem 3-79

3-79.

Solve each equation below.

$2^{(x−1)} = 64$
Hint (a):
$64 = 2^{6}$

$4.7 = x^{1/3}$
Hint (b):
Try cubing both sides.

$9^{3} = 27^{(2x−1)}$
Hint (c):
Look for a common base.

$8^{(x+3)} = 16^{x}$
Hint (d):
See part (c).

$x^{6} = 29$
Answer (e):
$x ≈ ± 1.75$

$25^{x} = 125$
Hint (f):
See part (c).

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