Practice
Solve for x.a) 9 = x2
{-3,3}
{-3,3}
b) 64 = x2
{-8,8}
{-8,8}
c) x2 =196
{-14,14}
{-14,14}
d) 0 = x2 −49
{-7,7}
{-7,7}
e) x2 =289
{-17,17}
{-17,17}
f) 16 = x2
{-4,4}
{-4,4}
g) 0 = x2 −256
{-16,16}
{-16,16}
h) 324 = x2
{-18,18}
{-18,18}
i) x2 −36 = 0
{-6,6}
{-6,6}
j) 36 = x2
{-6,6}
{-6,6}