Solving Systems of Linear Equations: Substitution

Question 1

The volleyball team at West View High School is comparing T-shirt companies where they can purchase their practice shirts. The two companies, Shirt Box and Just Tees, are represented by this system of equations where x is the number of T-shirts and y is the total cost of the T-shirts.

Revolt · Accepted Answer

10; 105

Question 2

Question 74128

Revolt · Accepted Answer

105

Question 3

[___]

Revolt · Accepted Answer

y = –2.5x – 15; (–6, 0)

Question 4

(–6.3, –10.75)(–6.3, –0.75)✔ (–6, 0)(0, –6)

Revolt · Accepted Answer

✔ (–6, 0)

Question 5

2(8 – 3x) + 3x = 3✔ 2x + 3(8 – 3x) = 32x + 3y = 8 – 3x

Revolt · Accepted Answer

✔ 2x + 3(8 – 3x) = 3

Question 6

–3–1✔ 3

Revolt · Accepted Answer

✔ 3

Question 7

✔ –113

Revolt · Accepted Answer

✔ –1

Question 8

⇒ 1

Revolt · Accepted Answer

8; 1

Question 9

Question 74147

Revolt · Accepted Answer

1

Question 10

Mr. Martin is giving a math test next period. The test, which is worth 100 points, has 29 problems. Each problem is worth either 5 points or 2 points. Write a system of equations that can be used to find how many problems of each point value are on the test.Let x be the number of questions worth 5 points and let y be the number of questions worth 2 points.

Revolt · Accepted Answer

x + y = 29, 5x + 2y = 100

Solving Systems of Linear Equations: Substitution Answers

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