AnswersWCPSS-Introductory Math CRApplying Linear Functions

Comparing Slopes and Intercepts Answers

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1
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What are the slope and the y-intercept of the linear function that is represented by the table?xy

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A
The slope is , and the y-intercept is .
Option A
B
The slope is , and the y-intercept is .
Option B
C
The slope is , and the y-intercept is .
Option C
D
The slope is , and the y-intercept is .
Option D
2
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Which equation represents a linear function that has a slope of and a y-intercept of –6?

Question illustration
A
y = negative 6 x + four-fifths
Option A
B
y = four-fifths x minus 6
Option B
C
y = four-fifths x + 6
Option C
D
y = 6 x + four-fifths
Option D
3

Which graph represents a linear function that has a slope of 0.5 and a y-intercept of 2?

A
On a coordinate plane, a line goes through points (negative 2, 0) and (0, 1).
Option A
B
On a coordinate plane, a line goes through points (0, 2) and (4, 0).
Option B
C
On a coordinate plane, a line goes through points (0, 2) and (2, 3).
Option C
D
On a coordinate plane, a line goes through points (negative 4, 0) and (0, 2).
Option D
4

Which linear function has the greatest y-intercept?

A
y = 6 x + 1
Option A
B
On a coordinate plane, a line goes through points (0, 2) and (5, 0).
Option B
C
On a coordinate plane, a line goes through points (1, 2) and (0, negative 3).
Option C
D
y = 3 x + 4
Option D
5

Which linear function has the same slope as the one that is represented by the table?xy0

Question illustration
A
y = negative one-half x + StartFraction 1 Over 10 EndFraction
Option A
B
y = negative one-fifth x + one-half
Option B
C
y = one-fifth x minus one-half
Option C
D
y = one-half x minus StartFraction 1 Over 10 EndFraction
Option D
6

What are the slope and the y-intercept of the linear function that is represented by the graph?

Question illustration
A
The slope is , and the y-intercept is –2.
Option A
B
The slope is , and the y-intercept is 3.
Option B
C
The slope is , and the y-intercept is –2.
Option C
D
The slope is , and the y-intercept is 3.
Option D
7

Jeremy claims that if a linear function has a slope of the same steepness and the same y-intercept as the linear function in the graph, then it must be the same function. Which equation proves Jeremy’s argument is incorrect?

Question illustration
A
y = negative one-half x minus 1
Option A
B
y = negative one-half x + 1
Option B
C
y = one-half x minus 1
Option C
D
y = one-half x + 1
Option D
8

Which linear function has the steepest slope?

A
y = negative 8 x + 5
Option A
B
y minus 9 = negative 2 (x + 1)
Option B
C
y = 7 x minus 3
Option C
D
y + 2 = 6 (x + 10)
Option D
9

The slope of the graph of the equation is 2. What is the y-intercept?y-intercept =

Question illustration
Answer not available
10

What are the slope and the y-intercept of the linear function that is represented by the graph?

Question illustration
A
The slope is 3, and the y-intercept is 9.
B
The slope is 3, and the y-intercept is 12.
C
The slope is 4, and the y-intercept is 9.
D
The slope is 4, and the y-intercept is 12.

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