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


Practice

Solve for x.
a)    10x2 + 21x − 10 = 0
{2/5,-5/2}

b)    10x2 − 21x − 10 = 0
{-2/5,5/2}

c)    3x2 − 16x + 5 = 0
{1/3,5}

d)    12x2 − 11x − 5 = 0
{-1/3,5/4}

e)    6x2 + 23x + 20 = 0
{-4/3,-5/2}

f)    10x2 + 17x − 20 = 0
{4/5,-5/2}

g)    28x2 − 37x + 12 = 0
{4/7,3/4}

h)    5x2 + 23x − 10 = 0
{2/5,-5}

i)    12x2 − 5x − 3 = 0
{-1/3,3/4}

j)    20x2 + 19x + 3 = 0
{-1/5,-3/4}