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Alg 4.1.1 HW 4-8 to 4-13

Last updated over 4 years ago

13 questions

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Question 1

1.

4-8 Smallville High School Principal is concerned about his school’s Advanced Placement (AP) test scores. He wonders if there is a relationship between the students’ performance in class and their AP test scores so he randomly selects a sample of ten students who took AP examinations and compares their final exam scores to their AP test scores.

Question 2

2.

Using Linear Extrapolation (your equation) from the previous problem, what would you expect a student who scored a 3 on the AP test to receive on their Final percentage? (Your answer will likely be marked incorrect for this one becuase it is unlikely that each of us have the same equation of the line)

Question 3

3.

4-9 a Solve the following equation for x:
-2(4 - 3x) - 6x = 10

Question 4

4.

4-9 b Solve the following equation for x:

Question 5

5.

4-10 On the same set of axes, use slope and y-intercept to graph each line in the system shown below. Then find the point(s) of intersection, if one (or more) exists.

Question 6

6.

What is the location of the point of intersection as an ordered pair?

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Question 7

7.

Who is correct?

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Question 8

8.

Explain why you think they are correct? (Your answer will be marked incorrect because you will not have the EXACT same answer as me. Be sure to check your answer for this question once you submit.)

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Question 9

9.

Product of part a (start with the width first, then the height)

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Question 10

10.

Sum of Part a

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Question 11

11.

Product of part b (start with the width first, then the height)

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Question 12

12.

Sum of part b:

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Question 13

13.

Is she correct? How do you know? (Your answer will be marked incorrect because you will not have the EXACT same answer as me. Be sure to check your answer for this question once you submit.)