Practice
Solve for x.a) 36 = 49x2
{-6/7,6/7}
{-6/7,6/7}
b) 0 = 49x2 −169
{-13/7,13/7}
{-13/7,13/7}
c) 225 = 64x2
{-15/8,15/8}
{-15/8,15/8}
d) 25x2 =16
{-4/5,4/5}
{-4/5,4/5}
e) 0 = 25x2 −36
{-6/5,6/5}
{-6/5,6/5}
f) 0 = 25x2 −64
{-8/5,8/5}
{-8/5,8/5}
g) 4 = 9x2
{-2/3,2/3}
{-2/3,2/3}
h) 64 = 25x2
{-8/5,8/5}
{-8/5,8/5}
i) 9 = 49x2
{-3/7,3/7}
{-3/7,3/7}
j) 0 = 36x2 −49
{-7/6,7/6}
{-7/6,7/6}