IM1 - Final

Mean, Median, Mode, Range

100

Find the range.

5,2,7,9,11,3,4,12

10

200

Find the mode.

4,6,7,2,8,4,9,5,4

4

300

Find the median

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

4

400

Find the mean

6,7,9,1,5,4,3

5

500

Find the mean, median, mode, and range.

2,3,3,4,7,8,8,9,11,11,11,13,15

mean: 8.08

median: 8

mode: 11

range: 13

Equations

100

Solve for x.

2x=14

x=7

200

Solve for x.

3x+5=32

x=9

300

Solve for x.

3(4x-5)=45

x=5

400

Solve for x.

2(4x-2)=6(6x+4)

x=-1

500

Solve for x.

5(2x-4)+6=4(2x+6)+4x

x=-19

Inequalities

100

Solve for x AND plot on a number line.

6x>42

x>7

200

Solve for x AND plot on a number line.

-3x-5<10

x>5

300

Solve for x AND plot on a number line.

-2x+8<4x+20

x>-2

400

Solve for x AND plot on a number line.

-2(2x+4)<-2(-8x-6)

x>-1

500

Solve for x AND plot on a number line

2(3x-5)</=4x+6

x</=8

Graphing

100

Graph.

y=2/3x+4

y-intercept (0,4)

slope: 2/3

200

Graph.

y=-4x+7

y-intercept: (0,7)

slope: -4/1

300

Graph.

2y+x=6

y-intercept: (0,3)

Slope: -1/2

400

Graph

2y>3x+6

y-intercept (0,3)

Slope: 3/2

500

2(x+6)<4(y+2)

y-intercept: (0,1)

Slope: 1/2

Systems

100

2x+2y=16

-2x+3y=4

(4,4)

200

Solve by graphing.

y=-x+7

y=2x+1

(2,5)

300

3x+y=13

5x-2y=7

(3,4)

400

2x+4y=12

x+8y=30

(-2,2)

500

3x-y=7

y=2x+2

(9,20)