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


Practice

Solve for x.
a)    3x2 − 11x − 20 = 0
{-4/3,5}

b)    12x2 − 17x − 7 = 0
{-1/3,7/4}

c)    10x2 − 27x − 28 = 0
{-4/5,7/2}

d)    5x2 + 17x + 6 = 0
{-2/5,-3}

e)    20x2 + 41x + 20 = 0
{-4/5,-5/4}

f)    5x2 + 33x − 14 = 0
{2/5,-7}

g)    10x2 + 43x + 28 = 0
{-4/5,-7/2}

h)    10x2 + 7x − 12 = 0
{4/5,-3/2}

i)    6x2 − 23x + 20 = 0
{4/3,5/2}

j)    7x2 + 47x − 14 = 0
{2/7,-7}