Question

solve for w.
16 = w2
w = 4 or -4
submit

Explanation:

Step1: Take square - root of both sides

$w=\pm\sqrt{16}$

Step2: Calculate the square - root value

Since $\sqrt{16} = 4$, then $w = 4$ or $w=-4$

Answer:

$w = 4$ or $w=-4$