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


Practice

Solve for x.
a)    81 = x2
{-9,9}

b)    0 = x2 −169
{-13,13}

c)    0 = x2 −361
{-19,19}

d)    256 = x2
{-16,16}

e)    0 = x2 −361
{-19,19}

f)    x2 −25 = 0
{-5,5}

g)    49 = x2
{-7,7}

h)    x2 =36
{-6,6}

i)    x2 −36 = 0
{-6,6}

j)    0 = x2 −121
{-11,11}