abcd Quadratic Equations - Difference of Two Squares(L2)
Quadratic Equations - Difference of Two Squares(L2)


Practice

Solve for x.
a)    49 = 64x2
{-7/8,7/8}

b)    81 = 64x2
{-9/8,9/8}

c)    0 = 49x2 −121
{-11/7,11/7}

d)    121 = 25x2
{-11/5,11/5}

e)    36x2 −25 = 0
{-5/6,5/6}

f)    0 = 16x2 −81
{-9/4,9/4}

g)    36x2 −25 = 0
{-5/6,5/6}

h)    49x2 =169
{-13/7,13/7}

i)    0 = 25x2 −121
{-11/5,11/5}

j)    4 = 81x2
{-2/9,2/9}