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


Practice

Solve for x.
a)    x2 + 3x − 4 = 0
{1,-4}

b)    x2 − 5x + 4 = 0
{1,4}

c)    x2 + 6x − 16 = 0
{-8,2}

d)    x2 + 6x + 8 = 0
{-4,-2}

e)    x2 − 14x + 48 = 0
{8,6}

f)    x2 + x − 56 = 0
{-8,7}

g)    x2 − 2x − 15 = 0
{5,-3}

h)    x2 − 9x + 14 = 0
{2,7}

i)    x2 + 8x − 9 = 0
{1,-9}

j)    x2 − 8x + 15 = 0
{3,5}