Practice
Solve for x.a) 0 = 9x2 −25
{-5/3,5/3}
{-5/3,5/3}
b) 25 = 9x2
{-5/3,5/3}
{-5/3,5/3}
c) 4 = 25x2
{-2/5,2/5}
{-2/5,2/5}
d) 36 = 49x2
{-6/7,6/7}
{-6/7,6/7}
e) 49x2 =25
{-5/7,5/7}
{-5/7,5/7}
f) 144 = 25x2
{-12/5,12/5}
{-12/5,12/5}
g) 9x2 =16
{-4/3,4/3}
{-4/3,4/3}
h) 0 = 36x2 −49
{-7/6,7/6}
{-7/6,7/6}
i) 9x2 =49
{-7/3,7/3}
{-7/3,7/3}
j) 16 = 49x2
{-4/7,4/7}
{-4/7,4/7}