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 =324
{-18,18}

c)    169 = x2
{-13,13}

d)    225 = x2
{-15,15}

e)    x2 −169 = 0
{-13,13}

f)    x2 −81 = 0
{-9,9}

g)    64 = x2
{-8,8}

h)    0 = x2 −361
{-19,19}

i)    x2 −361 = 0
{-19,19}

j)    x2 −324 = 0
{-18,18}