AnswersWCPSS-Introductory Math CRUnit Test

Exploring Slope Answers

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What is the slope of the line represented by the values in the table?xy10142–230782034

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A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
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Which statement correctly describes the slope of the linear function that is represented by the data in the table?xy8–88–4808488

A
The slope is positive.
B
The slope is negative.
C
The slope is zero.
D
There is no slope.
3

The difference in the x-coordinates of two points is 3, and the difference in the y-coordinates of the two points is 6. What is the slope of the line that passes through the points?

2
2
3
3
6
6
9
9
4

Raj is deciding between two cell phone plans, A and B, which are both linear functions. The monthly charge for plan A according to the number of minutes used is shown in the table.Monthly Charge for Plan AMinutes used, xMonthly charge ($), y014.45314.84615.23915.621216.01Plan B has the same monthly base charge as plan A, but it charges a different amount per minute used. If the total monthly charge for plan B is $22.10 when 45 minutes are used, what is the slope of the linear function that represents the cost of plan B?

A
0.13
B
0.17
C
0.39
D
0.45
5

What is the slope of the line in the graph?

Question illustration
A
Negative four-thirds
Option A
B
Negative three-fourths
Option B
C
Three-fourths
Option C
D
Four-thirds
Option D
6

The linear function that is represented by which table has the same slope as the graph?

Question illustration
A
A 2-column table with 5 rows. Column 1 is labeled x with entries negative 25, negative 21, negative 17, negative 13, negative 9. Column 2 is labeled y with entries negative 9, negative 7, negative 5, negative 3, negative 1.
Option A
B
A 2-column table with 5 rows. Column 1 is labeled x with entries negative 25, negative 21, negative 17, negative 13, negative 9. Column 2 is labeled y with entries 9, 7, 5, 3, 1.
Option B
C
A 2-column table with 5 rows. Column 1 is labeled x with entries negative 9, negative 7, negative 5, negative 3, negative 1. Column 2 is labeled y with entries negative 25, negative 21, negative 17, negative 13, negative 9.
Option C
D
A 2-column table with 5 rows. Column 1 is labeled x with entries 1, 3, 5, 7, 9. Column 2 is labeled y with entries negative 9, negative 13, negative 17, negative 21, negative 25.
Option D
7

The data in which table represents a linear function that has a slope of zero?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
8

Ellen thinks that if a line has no slope, then it never touches the y-axis. Which line proves that her statement is incorrect?

x
x = 0
y
y = 0
x
x = 1
y
y = 1
9

The speed of an object in space is shown in the graph.What is the slope of the line?

Question illustration
A
10
B
15
C
20
D
25
10

A line passes through the point (–7, 5) and has a slope of . Which is another point that the line passes through?

Question illustration
A
(–13, 9)
B
(–9, 13)
C
(9, 13)
D
(13, 9)

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Exploring Slope Answers — WCPSS-Introductory…