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


Practice

Solve for x.
a)    x2 −4 = 0
{-2,2}

b)    x2 =4
{-2,2}

c)    0 = x2 −225
{-15,15}

d)    64 = x2
{-8,8}

e)    361 = x2
{-19,19}

f)    9 = x2
{-3,3}

g)    100 = x2
{-10,10}

h)    4 = x2
{-2,2}

i)    x2 =25
{-5,5}

j)    0 = x2 −196
{-14,14}