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Jeopardy Jeopardy Solve By Graphing Solve by Substitutio n Solve by Eliminatio n Solve by Multiply First Extensions 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

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Page 1: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

JeopardyJeopardySolve By Graphing

Solve by Substitution

Solve by Elimination

Solve by Multiply First

Extensions

100 100 100 100 100

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300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Page 2: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

100

Solve the linear system by graphing:

-5x + 8y = -22

3y – 2x = -9

Page 3: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

200

Solve the linear system by graphing:

2x – 6y = -40

-5y + 2x = -36

Page 4: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

300

Solve the linear system by graphing:

3x – 7y = 50

-4x + 2y = -30

Page 5: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

400Solve the linear system by

graphing:

⅔x - ⅓y = -11/3

x + ½y = -½

Page 6: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

500With a minimum purchase of $100, you

can open a credit account at a music store. The store is offering either $25 or

20% off your purchase if you open a credit account. You make a purchase of

$135 and decide to open a credit account. Should you choose $25 or

20% off your purchase? Write a system of equations and graph them to solve.

Page 7: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

100

Solve the linear system by substitution:

13x – 4y = 38

x – 6y = -54

Page 8: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

200

Solve the linear system by substitution:

10x – 20y = 0

x + 5y = -28

Page 9: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

300

Solve the linear system by substitution:

3.5x + 0.5y = 14

y – x = 4

Page 10: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

400During the spring and summer, you do a

spring yard cleanup for households and you also paint houses. You earn $8 an hour doing the cleanups and

$12 an hour painting. Last spring and summer you worked a total of 400

hours and earned $3800. How many hours did you spend doing yard

cleanups and painting?

Page 11: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

500You are creating a potting mix for your window boxes that is 20% peat moss and

80% potting soil. You add 100% potting soil to your mix that is currently 50% peat moss and 50% potting soil. You have 4 buckets

of the mix that is half and half. Do you have enough of the half and half to make 8

buckets of the mix that is 20% peat moss and 80% potting soil? Explain.

Page 12: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

100Solve the linear system by

elimination:

4x – y = –21

– 4x+7y = 51

Page 13: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

200

Solve the linear system by elimination:

-2x + 5y = 14

8x + 5y = 94

Page 14: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

300

Solve the linear system by elimination:

2y – 3x = 10

7x = -2y – 50

Page 15: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

400

Solve the linear system by elimination:

9x = 235 – 5y

5y – 10x = -50

Page 16: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

500A car rental company charges a daily rental fee plus a per mile fee over 150 miles. Two different people rent the same style of car for the same number of days. The total bill for one person’s rental is $207.50 for a 5-day rental and 180 miles. The total bill for the other person’s rental is $212.50 for a 5-day rental and 200 miles.a. Write a linear system that you can use to find the

daily rental fee and the per mile fee over 150 miles. Explain how you got your linear system.

b. What is the daily rental fee? What is the fee per mile over 150 miles?

Page 17: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

100

Solve the linear system by elimination:

6x – 11y = -93

15x + 13y = 132

Page 18: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

200

Solve the linear system by elimination:

-15x + 4y = -2

13x – 10y = -44

Page 19: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

300 Solve the linear system by

elimination:

9x – 8y = -3

14x – 12y = -6

Page 20: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

400Two families go skiing on a Saturday. One family

purchases two adult lift tickets and four youth lift tickets for $166. Another family purchases four adult lift tickets and five youth lift tickets for $263. Let x represent the cost in

dollars of one adult lift ticket and let y represent the cost in dollars of one youth lift ticket.

a.Write a linear system that represents this situation.b.Solve the linear system to find the cost of one adult and one youth lift ticket.c.How much would it cost two adults and five youths to ski for a day?

Page 21: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

500A group of your friends goes to a

restaurant that features different Asian foods. There are eight people in your

group. Some of the group order the Thai special for $14.25 and the rest of the group order the Szechwan special for $13.95. If the total bill was $113.10,

how many people ordered each dinner?

Page 22: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

100Is the solution empty, a point,

a line, or a plane?

Page 23: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

200Is the solution empty, a point,

a line, or a plane?

Page 24: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

300

Define:Consistent

InconsistentIndependentDependent

Page 25: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

400Name the type of System

Page 26: Jeopardy Solve By Graphing Solve by Substitution Solve by Elimination Solve by Multiply First Extensions 100 200 300 400 500

500

Solve the following system using Cramer’s Rule.

2x + 2y = -6-5x + y = 15