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


Practice

Solve for x.
a)    x2 + 8x − 9 = 0
{-9,1}

b)    x2 − 11x + 28 = 0
{4,7}

c)    x2 + 8x + 12 = 0
{-2,-6}

d)    x2 + 7x + 10 = 0
{-5,-2}

e)    x2 + 10x + 21 = 0
{-7,-3}

f)    x2 − x − 20 = 0
{5,-4}

g)    x2 + 4x − 5 = 0
{1,-5}

h)    x2 + 15x + 56 = 0
{-8,-7}

i)    x2 + 6x + 5 = 0
{-5,-1}

j)    x2 − 8x + 15 = 0
{3,5}