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


Practice

Solve for x.
a)    6x2 + 7x − 20 = 0
{4/3,-5/2}

b)    7x2 + 34x − 5 = 0
{1/7,-5}

c)    20x2 − 39x + 7 = 0
{1/5,7/4}

d)    14x2 + 13x − 12 = 0
{4/7,-3/2}

e)    3x2 + 22x + 7 = 0
{-1/3,-7}

f)    12x2 + 7x − 12 = 0
{-4/3,3/4}

g)    3x2 − 19x + 20 = 0
{4/3,5}

h)    28x2 + 33x − 28 = 0
{4/7,-7/4}

i)    3x2 − 17x + 10 = 0
{2/3,5}

j)    5x2 − 31x − 28 = 0
{-4/5,7}