Chapter 5 Review

Graphing

100

y=-x+5 y=x-3

What is (4,1)

200

y=-x+5 2x+2y=-8

What is no solution

300

3x+2y=12 9x+6y=36

What is infinite solutions

400

2y=x-3 4y-2x=7

What is no solution

500

y=x+1 y=2x

(1,2)

Substitution

100

y=5x 2x+3y=34

What is (5,-1)

200

y=2x+1 y=4x-1

What is (1,3)

300

2y=3x-2 y=2x+1

What is (-4,7)

400

2x+2y=0 6x+y=-10

What is (-2,2)

500

A test has twenty questions worth 100 points. The test consists of True/False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?

What is 5 multiple choice and 15 T/F

Elimination

100

5x+2y=6 9s+2t=22

What is (4,-7)

200

x-y=-6 x+y=8

What is (1,7)

300

2x+y=12 -3x+y=2

What is (2,8)

400

3x-5y=-16 2x+5y=31

What is (3,5)

500

x+y=70 y-x=24

What is (47,23)

Elimination with Multiplication

100

-3x+4y=12 2x+y=-8

What is (-4,0)

200

x+2y=7 3x+y=1

What is (-1,4)

300

x-2y=5 3x-5y=8

What is (-9,-7)

400

5x-7y=-2 -4x+6y=4

What is (8,6)

500

-5x=-y+12 0=3y-24-3x

What is (-1,7)

Grab Bag

100

3x+y=-4 6x+2y=-8

What is infinite solutions

200

4x-3y=7 3x+1=y

What is (-2,-5)

300

4x-7y=10 3x+2y=-7

What is (-1,-2)

400

2(x-y)=10 3x+2y=15

What is (5,0)

500

If there are 10 copycats in a boat and one jumps out. How many are left in the boat?

None, they were all copycats