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


Practice

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

b)    5x2 + 37x + 14 = 0
{-2/5,-7}

c)    20x2 − 21x − 5 = 0
{-1/5,5/4}

d)    6x2 − 17x + 12 = 0
{4/3,3/2}

e)    10x2 + 17x + 3 = 0
{-1/5,-3/2}

f)    3x2 − 11x + 6 = 0
{2/3,3}

g)    20x2 + 39x + 7 = 0
{-1/5,-7/4}

h)    28x2 + 31x − 5 = 0
{1/7,-5/4}

i)    6x2 + 13x − 28 = 0
{4/3,-7/2}

j)    12x2 − 5x − 3 = 0
{-1/3,3/4}