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


Practice

Solve for x.
a)    3x2 + 25x + 28 = 0
{-4/3,-7}

b)    10x2 + 13x − 3 = 0
{1/5,-3/2}

c)    3x2 − 8x − 3 = 0
{-1/3,3}

d)    20x2 − 51x + 28 = 0
{4/5,7/4}

e)    28x2 − 13x − 6 = 0
{-2/7,3/4}

f)    12x2 + 13x + 3 = 0
{-1/3,-3/4}

g)    14x2 − 27x − 20 = 0
{-4/7,5/2}

h)    7x2 − 45x − 28 = 0
{-4/7,7}

i)    28x2 + 27x − 10 = 0
{2/7,-5/4}

j)    20x2 + 31x + 12 = 0
{-4/5,-3/4}