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


Practice

Solve for x.
a)    12x2 + 7x − 12 = 0
{-4/3,3/4}

b)    14x2 + 45x − 14 = 0
{2/7,-7/2}

c)    7x2 − 53x + 28 = 0
{4/7,7}

d)    3x2 + 23x + 14 = 0
{-2/3,-7}

e)    20x2 + 29x + 5 = 0
{-1/5,-5/4}

f)    28x2 + 39x + 5 = 0
{-1/7,-5/4}

g)    5x2 − 17x + 6 = 0
{2/5,3}

h)    3x2 − 22x + 7 = 0
{1/3,7}

i)    12x2 + 37x + 28 = 0
{-4/3,-7/4}

j)    6x2 + 19x + 10 = 0
{-2/3,-5/2}