Solving Quadratics

Factoring

100

f(x)=x²-9x+18

6 and 3

200

g(x)=x²+5x+4

-1 and -4

300

g(x)=x²-6x+5

5 and 1

400

h(x)=x²-64

8

500

f(x)=2x²+4x-24

not factorable

Taking the Square Root

100

f(x)=x²+9

3 and -3

200

g(x)=2x²+32

4 and -4

300

h(x)=-3x²-90

5.47 and -5.47

400

f(x)=(x+4)²-16

0 and 8

500

f(x)=(x+2)²-6

4.45 and 0.45

Quadratic Formula

100

f(x)=x²-5x-14

7 and -2

200

f(x)=x²-4x+4

2

300

g(x)=2x²-3x-5

5/2 and -1

400

h(x)=2x²-x-36

9/2 and -4

500

j(x)=2x²-7x-13

3.88 and -0.38

Pick the method

100

f(x)=5x²-80

Take the square root

200

f(x)=2x²+2x-12

factoring or quadratic formula

300

p(x)=x²+8x+15

factoring

400

g(x)=6x²+5x-10

quadratic formula

500

g(x)=(2x+4)²-3

taking the square root

Misc

100

What is a quadratic

any equation with a 2 as the highest exponent on a variable

200

When is there no solution to a quadratic?

negative inside the square rood, or graph does not touch the x axis

300

How many kids does Mr. Ryan have?

3

400

Write an equation that can be solved by factoring

answers may vary

500

What is Mr. Ribinsky's quidditch team name? 

Hint its the name of an Elton John Song.

Philadelphia Freedom