binomials
frequency and histograms
fractions
factoring
quadratic formula
100

(x+3)(x+2)=0

x=−3x = -3x=−3 or x=−2x = -2x=−2

100

(x+3)(x+2)=0

x=−3x = -3x=−3 or x=−2x = -2x=−2

100

½

0.5

100

Factors of 2

1, 2

100

x2−4=0

x2=4⇒x=±2

200

(2x−1)(x+4)=0



x=12x = \frac{1}{2}x=21 or x=−4x = -4x=−4

200

(2x−1)(x+4)=0

x=21 or x=−4x = -4x=−4

200

¾

0.75

200

Factors of 6

1, 2, 3, 6

200

x2+5x+6=0


x=−2,−3

300

x2+5x+6=0


 x=−2x = -2x=−2 or x=−3x = -3x=−3

300

x2+5x+6=0

x=−2x = -2x=−2 or x=−3x = -3x=−3

300

5/8

0.625

300

Factors of 12

1, 2, 3, 4, 6, 12

300

2x2−3x−2=0

x=43±5⇒x=2,−0.5

400

3x2−2x−8=0

 x=2x = 2x=2 or x=−43x = -\frac{4}{3}x=−34

400

3x2−2x−8=0

x=2 or x=−43x = -\frac{4}{3}x=−34

400

7/12

0.5833..

400

Factors of 30

1, 2, 3, 5, 6, 10, 15, 30

400

3x2+4x+1=0

x=−31,−1

500

2x2+7x+3=0

x=−12x = -\frac{1}{2}x=−21 or x=−3x = -3x=−3

500

2x2+7x+3=0

 x=−12x = -\frac{1}{2}x=−21 or x=−3x = -3x=−3

500

23/47

0.4893617

500

Factors of 84

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

500

5x2−6x+7=0

x=106±226i=53±26i