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Alg462 Linear Systems Quiz

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Last updated almost 6 years ago
7 Nsɛmmisa

Systems of Linear Equations Quiz: Complete each question as best as you can. You must show your work for each question to receive credit!! Once you begin, you will have 45 minutes to complete the quiz. The quiz needs to be submitted by the end class today!

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Solve the system of linear equations by graphing. Write your answer as an ordered pair (x, y), no solution or infinite solutions.

3y + 4x = 3

x + 3y = -6

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

Solve the system of linear equations using any method you choose. Write your answer as an ordered pair (x, y), no solution or infinite solutions.

5x + 2y = 9

x + y = -3

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Solve the system of linear equations using any method you choose. Write your answer as an ordered pair (x, y), no solution or infinite solutions.

x + 3y = 1

5x + 6y = 14

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Solve the system of linear equations using any method you choose. Write your answer as an ordered pair (x, y), no solution or infinite solutions.

y = -6x - 2

12x + 2y = -6

Asemmisa {{asɛmmisaAhyɛnsode}}
5.

In a football game, all of the home team's points are from 7-point touchdowns and 3-point field goals. The team scores six times for a total of 26 points. Wite and solve a system of linear equations to find the numbers of touchdowns and field goals the home team scores.

Write your answer as an ordered pair: (# of touchdowns, # of fieldgoals)

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

A financial planner wants to invest $8000, some in stocks earning 15% annually and the rest in bonds earning 6% annually. How much should be invested at each rate to get a return of $930 annually from the two investments?

Write your answer as an ordered pair ( $ in stocks, $ in bonds)

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Solve the system of linear equations using any method you choose. Write your answer as an ordered pair (x, y), no solution or infinite solutions.

4x + 3y = 1

6x - 2y = 21