Unit 1-2

Substitution

100

If x=4, solve for y in y=3x

y=12

200

If x=3y, solve for y in x+2y=10

y=2

300

If x=4y, solve for y in 2x+2y=30

y=3

400

Solve for the system of equations using substitution:

x=3y+2

2x-4y=18

(23,7)

500

Solve for the system of equations using substitution: 

x-y=2

3y+x=26

(8,6)

Elimination

100

Use Elimination to solve the system: 

x+y=10

-x+2y=20

(0,10)

200

Solve the system using elimination: 

-2x+4y=2

4x-4y=12

(7,4)

300

Solve the system using elimination: 

x+y=4

2x+2y=8

Infinite Solutions

400

Solve for the system using elimination: 

4y-2x=15

4y-6x=7

(2,19/4)

or (2,4.75)

500

Solve for the system using elimination: 

3x+2y=4

6x+4y=3

No Solution

Linear Inequalities

100

Given the inequality, what kind of line do you have? Where are you shading? 

y>3x+7

1) Dotted Line 

2) Shading Above 

200

Write an inequality with a slope of 5 and y-intercept of -2. The line is dotted and shaded below. 

y<5x-2

300

Ms. Wilson will provide a graph, write an inequality based on what you see. 

y>-2/3x+1

400

Ms. Wilson will give a graph, choose which point(s) are solutions to the system of inequalities: 

1. (-2,-2) 

2. (4,3)

3. (-1,0) 

4. (0,6)

5. (6,7)

2 and 5 

500

Which inequality matches the graph: 

1. -4x-2y>6

2. -4x-2y<6

3. 4x-2y>6

4. 4x-2y<6

4

Miscellaneous

100

What is slope-intercept form?

y=mx+b

200

Name at least one of Ms. Wilson's favorite colors. 

Pink or Gray

300

Write the standard form for linear functions.

ax +/- by=c

400

Where is the Bermuda Triangle located (which ocean)?

Atlantic Ocean

500

What is the fifth decimal of pi?

9

3.14159

Gordon

100

How many hats does Mr.Gordon own?

63

200

What is Gordon's favorite cereal?

Frosted Flakes

300

How old was Gordon when he graduated from college?

20

400

If Gordon could have any other job besides teaching, what would it be?

A game developer

500

What is Gordon's favorite reality tv show?

Survivor