AnswersNC-Foundations of Math 1 Fall 2nd 9 WeeksRate of Change and Introduction to Slope

Exploring Slope Answers

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Use the values in the table to determine the slope. m = StartFraction y 2 minus y 1 Over x 2 minus x 1 EndFraction

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Use the graph to find the slope. slope = StartFraction rise Over run EndFraction What is the runner’s speed? mile per minute

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0.1

3

Which linear functions represent a slope of 4? Check all that apply.

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4

What can you conclude about the slope of the values in the table? Check all that apply.

A
The slope is 3.
B
The slope is 0.
C
The slope is undefined.
D
The graph will be a horizontal line.
E
The graph will be a vertical line.
F
The graph will have a line with a positive slope.
5

Question text not available

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Selection 1:0
Selection 2:all y values are the same
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What is the slope?–3✔ 03no slope

Answers:
Selection 1:0
Selection 2:all y values are the same
7

What is true about the graph?all x values are the same✔ all y values are the sameeach x and y value is different

A
all x values are the same
B
✔ all y values are the same
C
each x and y value is different
8

Willa says the slope of the graph is Negative one-third . What error did she make when finding the slope?

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The slope is positive instead of negative.
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She counted the squares instead of using the scale.
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She used the points that are further apart instead of the two consecutive points.
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She used when finding slope.
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Is Garrett’s slope correct? If not, identify his error?

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Yes. Garrett found the slope correctly.
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B
No. He should have put the x values in the denominator and the y values in the numerator.
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C
No. He should have gotten a negative answer for slope because the values are decreasing.
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D
No. He should have gotten the answer .
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10

Corey walked three blocks east and then six blocks north. All the blocks were the same length. What is the value of the slope of the line from where Corey began walking to where he finished?

A
-3
B
-2
C
2
D
3
11

A line passes through the point (0, 1) and has a positive slope. Which of these points could that line NOT pass through? Check all that apply.

A
(12, 3)
B
(–2, –5)
C
(–3, 1)
D
(1, 15)
E
(5, –2)

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