Practice
Solve for x.a) x2 =36
{-6,6}
{-6,6}
b) 64 = x2
{-8,8}
{-8,8}
c) 0 = x2 −361
{-19,19}
{-19,19}
d) x2 −144 = 0
{-12,12}
{-12,12}
e) 0 = x2 −9
{-3,3}
{-3,3}
f) x2 =16
{-4,4}
{-4,4}
g) x2 =16
{-4,4}
{-4,4}
h) x2 −256 = 0
{-16,16}
{-16,16}
i) x2 −121 = 0
{-11,11}
{-11,11}
j) 9 = x2
{-3,3}
{-3,3}