MTH 208 Week 4 Quiz

MTH 208 Week 4 Quiz

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208 WK4 Quiz

The material presented below is not meant to be a comprehensive list of all you need to know in the content area. Rather it is a starting point for building your knowledge and skills. Additional study materials are recommended in each area below to help you master the material.

Your Answers: 14 / 14 Correct (100%)

1.

Consider the following system of equations.

y = 2x – 2

y – 2x = 5

What can you conclude about the system of equations?

The system of equations is inconsistent.

The system of equations is dependent.

The system of equations is independent.

none of these

2.

Identify the solution(s) of the system of equations, if any.

-6x – 4y = 12

16y = -24x – 48

no solution

(0, -2)

(-2, 0)

infinitely many solutions

3.

Identify the solution(s) of the system of equations, if any.

x + 3y = 5

4x – 6y = 8

(3, )

(3, )

(, 3)

(, 3)

4.

Identify the solution(s) of the system of equations, if any.

4x + 4y = 12

y = 5 – 3x

(2, –1)

(2, 1)

(–1, 2)

(1, 2)

5.

Identify the solution(s) of the system of equations, if any.

infinitely many solutions

no solution

6.

Identify the solution(s) of the system of equations, if any.

7.

Identify the solution(s) of the system of equations, if any.

no solutions

infinitely many solutions

8.

Identify the solution(s) of the system of equations, if any.

7x + 2y = 2

6x – 2y = 6

(, – )

(–4, 15)

(, – )

(8, –27)

Incorrect!

Need help with this exercise? Review the following daily practice assignment.

Alg A Daily Practice 4B

9.

Identify the solution(s) of the system of equations, if any.

10.

A system of inequalities is defined by the following formulas.

Which graph represents its solution?

11.

Which of the following graphs best illustrates the relationship between exercise time and total calories burned, as shown in the table below?

Exercise Time

(minutes)

Total

Calories

Burned

10

12

14

16

18

20

37

42

49

58

64

70

12.

For the figure below, which of the following points would be on the line that passes through points N and P ?

(1, 1)

(-2, 0)

(0, 0)

(4, 5)

(5, 4)

13.

At the school carnival, Carmen sold 3 times as many hot dogs as Shawn. The two of them sold 152 hot dogs altogether. How many hot dogs did Carmen sell?

148

38

21

51

114

14.

Two large storage tanks, T and W, contain water. T starts losing water at the same time additional water starts flowing into W. The graph below shows the amount of water in each tank over a period of hours.

Assume that the rates of water loss and water gain continue as shown. At what number of hours will the amount of water in T be equal to the amount of water in W ?

8

The amounts of water will never be equivalent.

9

6

7
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