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


Practice

Solve for x.
a)    20x2 − 27x − 14 = 0
{-2/5,7/4}

b)    6x2 + 7x − 20 = 0
{4/3,-5/2}

c)    28x2 + 31x − 5 = 0
{1/7,-5/4}

d)    6x2 − 17x − 14 = 0
{-2/3,7/2}

e)    5x2 − 36x + 7 = 0
{1/5,7}

f)    6x2 − 29x + 28 = 0
{4/3,7/2}

g)    12x2 + 11x − 5 = 0
{1/3,-5/4}

h)    5x2 − 17x + 6 = 0
{2/5,3}

i)    20x2 − 19x − 28 = 0
{-4/5,7/4}

j)    20x2 − 9x − 20 = 0
{-4/5,5/4}