Quadratic Equations - Difference of Two Squares(L1)


Practice

Solve for x.
a)    x2 −196 = 0
{-14,14}

b)    0 = x2 −49
{-7,7}

c)    x2 =400
{-20,20}

d)    144 = x2
{-12,12}

e)    0 = x2 −100
{-10,10}

f)    x2 =256
{-16,16}

g)    x2 =121
{-11,11}

h)    x2 −225 = 0
{-15,15}

i)    x2 −25 = 0
{-5,5}

j)    x2 =9
{-3,3}