Solve each equation by factoring.
Solve using square roots.
The Quadratic Formula
☠Pick your Poison (choose method)
Miscellaneous
100

p2 + -2p - 10 = 5

{5, -3}

100

4x2 + 25 = 125

x= 5 and x = -5

100

b2 − 4b + 4 = 0

{2}

100

a2 + 14a - 51 = 0

{3, -17}

100

Write the Quadratic Formula.

x=(-b±square root(b2-4ac))/2a

200

9n2 + 39n = -36

{-4/3, -3}

200

(4x + 1)2 - 16 = 0

x = 3/4 and x = -5/4

200

m2 − 5m − 14 = 0

{7, −2}

200

x2 − 12x + 11 = 0

{11, 1}

200

Solve the equation

3g2-24g+21=0

g=1 and g=7

300

7r2 + 84 = -49r

{-4, -3}

300

34 = (a - 2)2 - 2

a = 8 and a = -4

300

2x2 − 3x − 5 = 0

{5/2 , −1}

300

n2 = 18n + 40

{20, −2}

300

Solve the equation.

x2-16x=-15

x=1 and x=15

400

3v2 + 7v = 40

{8/3, -5}

400

0 = 3(x + 7)2 - 24

x = -7 ± 2 square root of 2

400

9n2 = 4 + 7n

{ 7 ± square root of 193 / 18}

400

x2 − 10x + 26 = 8

x= 5 ± square root 7

400

Solve the equation.

x2+11x=-10

x=-10 and x=-1