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


Practice

Solve for x.
a)    x2 =400
{-20,20}

b)    x2 =361
{-19,19}

c)    0 = x2 −81
{-9,9}

d)    196 = x2
{-14,14}

e)    0 = x2 −121
{-11,11}

f)    64 = x2
{-8,8}

g)    x2 =16
{-4,4}

h)    0 = x2 −36
{-6,6}

i)    0 = x2 −361
{-19,19}

j)    x2 −144 = 0
{-12,12}