Quadratic functions

Solving Quadratics by factoring

100

x²=36

x=6,-6

200

x²= 169

x=-13 , 13

300

2x²=12x-18

x=3

400

2x²+5x-3=0

x= 1/2, -3

500

x²-6x=27

x=9,-3

Complete the Square

100

Sove for c

x²+22x+c

c=121

200

Solve for c

x²-24x+c

c=144

300

solve for c 

x²+28x+c

c=196

400

Solve for c

x²+5x+c

c= 25/4

(Blank)

100

x²-49=0

x= 7,-7

200

81x²=9

x= 1/3, -1/3