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


Practice

Solve for x.
a)    225 = x2
{-15,15}

b)    0 = x2 −400
{-20,20}

c)    x2 =225
{-15,15}

d)    x2 =100
{-10,10}

e)    100 = x2
{-10,10}

f)    x2 −196 = 0
{-14,14}

g)    x2 =361
{-19,19}

h)    9 = x2
{-3,3}

i)    x2 −361 = 0
{-19,19}

j)    x2 −36 = 0
{-6,6}