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


Practice

Solve for x.
a)    0 = 25x2 −36
{-6/5,6/5}

b)    9x2 =4
{-2/3,2/3}

c)    81x2 −4 = 0
{-2/9,2/9}

d)    0 = 81x2 −49
{-7/9,7/9}

e)    0 = 64x2 −121
{-11/8,11/8}

f)    169 = 9x2
{-13/3,13/3}

g)    36x2 −121 = 0
{-11/6,11/6}

h)    9x2 −121 = 0
{-11/3,11/3}

i)    196 = 9x2
{-14/3,14/3}

j)    36x2 =169
{-13/6,13/6}