abcd Quadratic Equations - Difference of Two Squares(L1)
Quadratic Equations - Difference of Two Squares(L1)


Practice

Solve for x.
a)    x2 =36
{-6,6}

b)    0 = x2 −256
{-16,16}

c)    x2 −324 = 0
{-18,18}

d)    x2 =16
{-4,4}

e)    x2 −49 = 0
{-7,7}

f)    x2 −121 = 0
{-11,11}

g)    x2 −81 = 0
{-9,9}

h)    9 = x2
{-3,3}

i)    225 = x2
{-15,15}

j)    0 = x2 −81
{-9,9}