abcd Quadratic Equations - Trinomials(L1)
Quadratic Equations - Trinomials(L1)


Practice

Solve for x.
a)    x2 − 2x − 15 = 0
{5,-3}

b)    x2 + 10x + 21 = 0
{-3,-7}

c)    x2 − 17x + 72 = 0
{8,9}

d)    x2 + 2x − 48 = 0
{6,-8}

e)    x2 + 5x − 24 = 0
{-8,3}

f)    x2 − 8x + 16 = 0
{4,4}

g)    x2 + 4x + 3 = 0
{-1,-3}

h)    x2 + 7x + 6 = 0
{-6,-1}

i)    x2 + x − 12 = 0
{-4,3}

j)    x2 − x − 12 = 0
{4,-3}