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


Practice

Solve for x.
a)    49x2 =4
{-2/7,2/7}

b)    81x2 −100 = 0
{-10/9,10/9}

c)    0 = 4x2 −121
{-11/2,11/2}

d)    25x2 =4
{-2/5,2/5}

e)    0 = 36x2 −25
{-5/6,5/6}

f)    0 = 36x2 −169
{-13/6,13/6}

g)    0 = 25x2 −64
{-8/5,8/5}

h)    9x2 −25 = 0
{-5/3,5/3}

i)    0 = 64x2 −49
{-7/8,7/8}

j)    49x2 −121 = 0
{-11/7,11/7}