Quadratics

Quadratic Formula

100

2b²-5b+3

b= 3/2 b=1

200

2c²+7c-11

C= 1/2 or -4

300

2d²-9d+9

D=3/2 or 3

400

2e²-3e+1

E=1/2 or 1

500

2f²-6f-8

f=-1 or 4

Factoring

100

x²+22x+120

x=-10 or -12

200

x²+6x=135

x=9 or -15

300

2x²+5x+2

x=-1/2 or -2

400

2e²-9e+7

e=7/2 or 1

500

2a²+12a+10

a= -1 or -5

Completing The Square

100

x²+12x=5

x=5.92 or -12.4

200

x²-14x=95

x=19 or -5

300

16x²-32x=65

x=3.25 or -1.25

400

x²+12x+32

x= -4 or -8

500

x²-2x-9

x= 4.16 or -2.16