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


Practice

Solve for x.
a)    28x2 − 53x + 7 = 0
{1/7,7/4}

b)    6x2 + 5x − 6 = 0
{2/3,-3/2}

c)    12x2 − 17x − 7 = 0
{-1/3,7/4}

d)    20x2 − 21x − 5 = 0
{-1/5,5/4}

e)    14x2 + 57x + 28 = 0
{-4/7,-7/2}

f)    5x2 + 34x − 7 = 0
{1/5,-7}

g)    3x2 − 25x + 28 = 0
{4/3,7}

h)    6x2 + 11x − 10 = 0
{2/3,-5/2}

i)    28x2 − 27x − 10 = 0
{-2/7,5/4}

j)    28x2 − 13x − 6 = 0
{-2/7,3/4}