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


Practice

Solve for x.
a)    0 = 81x2 −4
{-2/9,2/9}

b)    0 = 9x2 −4
{-2/3,2/3}

c)    0 = 64x2 −9
{-3/8,3/8}

d)    9 = 25x2
{-3/5,3/5}

e)    9x2 =4
{-2/3,2/3}

f)    49 = 4x2
{-7/2,7/2}

g)    64x2 =25
{-5/8,5/8}

h)    25 = 64x2
{-5/8,5/8}

i)    36x2 −25 = 0
{-5/6,5/6}

j)    36x2 −121 = 0
{-11/6,11/6}