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Unit 3 Linear Trends and Systems Review 8th

Authored by Elizabeth Toalson

Mathematics

8th Grade

Used 1+ times

Unit 3 Linear Trends and Systems Review 8th
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mrs. Collins made a scatter plot to show the relationship between the number of absences a student in her class has and the student’s final exam score. Based on this scatterplot, approximately what score should a student with 6 absences expect to receive on the final exam?

65

92

67

76

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The scatterplot below shows the costs of new homes in a Small Town, Texas over the last seven years. Based on this scatterplot, what would be a good prediction for the cost of a new home built in 2008?

$180

$180,000

$125,000

$210,000

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term best describes a scatterplot with a clear upward trend and closely packed data points?

Linear and strong positive

Linear and weak positive

Non-linear and strong positive

No correlation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What conclusion is best supported by the scatterplot?

There is no relationship between the days and the weight.

As the days increase, the weight decreases.

As the days decrease, the weight increases.

As the days increase, the weight increases.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Based on this scatterplot, approximately what selling price should an owner of a 4-year-old car expect?

$6,500

$8,500

$10,750

$12,500

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would be the best estimate for the line of best fit (trend line) for the points?

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which point best represents the solution to the system of linear equations shown in the graph below?

A. (2, 1)

B. (1, 2)

C. (1, 0)

D. (0, 3)

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