Quadratic Equations - Trinomials(L2)


Practice

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

b)    14x2 + 45x − 14 = 0
{2/7,-7/2}

c)    14x2 + 39x + 10 = 0
{-2/7,-5/2}

d)    5x2 − 33x − 14 = 0
{-2/5,7}

e)    7x2 − 39x + 20 = 0
{4/7,5}

f)    3x2 − 19x − 14 = 0
{-2/3,7}

g)    5x2 + 31x − 28 = 0
{4/5,-7}

h)    28x2 + 27x − 10 = 0
{2/7,-5/4}

i)    3x2 + 17x + 10 = 0
{-2/3,-5}

j)    14x2 − 25x + 6 = 0
{2/7,3/2}