abcd Quadratic Equations - Trinomials(L2)
Quadratic Equations - Trinomials(L2)


Practice

Solve for x.
a)    28x2 + 45x − 7 = 0
{1/7,-7/4}

b)    28x2 − 5x − 12 = 0
{-4/7,3/4}

c)    12x2 − 13x − 14 = 0
{-2/3,7/4}

d)    14x2 + 33x − 5 = 0
{1/7,-5/2}

e)    10x2 + 23x + 12 = 0
{-4/5,-3/2}

f)    7x2 + 31x − 20 = 0
{4/7,-5}

g)    20x2 + 29x + 5 = 0
{-1/5,-5/4}

h)    6x2 + 19x + 10 = 0
{-2/3,-5/2}

i)    12x2 + 25x + 7 = 0
{-1/3,-7/4}

j)    7x2 + 36x + 5 = 0
{-1/7,-5}