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


Practice

Solve for x.
a)    64 = x2
{-8,8}

b)    0 = x2 −121
{-11,11}

c)    400 = x2
{-20,20}

d)    x2 −256 = 0
{-16,16}

e)    0 = x2 −100
{-10,10}

f)    x2 =289
{-17,17}

g)    x2 −36 = 0
{-6,6}

h)    49 = x2
{-7,7}

i)    0 = x2 −324
{-18,18}

j)    x2 =9
{-3,3}