Mixed Review for Keystone

Solving Equations

100

2x+3y=14

x=4

x=4

y=2

200

3x-y=16

2y=8

x=4

y=4

300

2x+3y=13

4x-3y=5

x=3

y=7/3

400

5x+2y=-24

4x=8y

x=-4

y=-2

500

3x+2y=11

4x-5y=-2

x=3

y=1

Factoring Polynomials

100

6x²+12x

6x(x+2)

200

x²+7x+10

(x+5)(x+2)

300

2x²-7x+3

(2x-1)(x-3)

400

4x²-25

(2x+5)(2x-5)

500

3x³+6x²+2x+4

(x+2)(3x²+2)

Fraction to Decimal

100

1/2

0.5

200

9/3

3

300

3/12

0.25

400

1/8

0.125

500

7/6

1.167

Finding Slope

100

(2,3)

(3,4)

1

200

(3,1)

(5,-1)

-1

300

(0,5)

(3, 3)

-3/2

400

(1,4)

(5,9)

4/5

500

(9,12)

(-3,-5)

12/17

Range of Data

100

1,2,3,4,5,6,7,8

7

200

2,4,6,8,10,12,14,16

14

300

3,7,12,18,21,25,27,30

27

400

11,19,26,34,48,57,63,75

64

500

16,22,37,49,58,73,101,124

108