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


Practice

Solve for x.
a)    196 = 25x2
{-14/5,14/5}

b)    25 = 9x2
{-5/3,5/3}

c)    9x2 =4
{-2/3,2/3}

d)    4 = 9x2
{-2/3,2/3}

e)    0 = 25x2 −81
{-9/5,9/5}

f)    9x2 =25
{-5/3,5/3}

g)    49 = 25x2
{-7/5,7/5}

h)    9x2 −121 = 0
{-11/3,11/3}

i)    49 = 36x2
{-7/6,7/6}

j)    9x2 −16 = 0
{-4/3,4/3}