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


Practice

Solve for x.
a)    9 = x2
{-3,3}

b)    x2 =100
{-10,10}

c)    x2 −81 = 0
{-9,9}

d)    x2 −36 = 0
{-6,6}

e)    x2 −400 = 0
{-20,20}

f)    169 = x2
{-13,13}

g)    x2 =289
{-17,17}

h)    x2 −225 = 0
{-15,15}

i)    x2 −4 = 0
{-2,2}

j)    0 = x2 −81
{-9,9}