AnswersJHHS LA-Algebra ISlope of a Line

Slope of a Line Answers

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Which graph has a slope of ?

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A
Option
B
Option
C
Option
D
Option
2
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The graph represents the balance on Harrison’s car loan in the months since purchasing the car.

Question illustration
A
The loan balance decreases $500 per month.
B
Harrison makes a monthly payment of $250.
C
The loan balance increases $250 per month.
D
Harrison increases his monthly payment by $500 each month.
3

The graph of a linear function is shown.

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A
positive
B
negative
C
zero
D
undefined
4

The table shows the height of water in a pool as it is being filled.

Question illustration
A
The height of the water increases 2 inches per minute.
B
The height of the water decreases 2 inches per minute.
C
The height of the water was 2 inches before any water was added.
D
The height of the water will be 2 inches when the pool is filled.
5

Line AB contains points A(4, 5) and B(9, 7). What is the slope of ?

Question illustration
A
–
Option A
B
–
Option B
C
StartFraction 2 Over 5 EndFraction
Option C
D
StartFraction 5 Over 2 EndFraction
Option D
6

Which function shows a fabric with a price of $1.25 per square yard?

A
A table showing Price of Fleece with five columns and two rows. The first row, Square Yards, has the entries, 1, 2, 3, 4. The second row, Price, has the entries, $1.25, $2.00, $2.75, $3.50.
Option A
B
A table showing Price of Fleece with five columns and two rows. The first row, Square Yards, has the entries, 1, 2, 3, 4. The second row, Price, has the entries, $0.25, $1.25, $2.25, $3.25.
Option B
C
A coordinate plane showing Price of Fleece. The x-axis shows Number of Square Yards and the y-axis shows Price in dollars. A line starts at (0, 0) and passes through (5, 4) and ends (10, 8).
Option C
D
A coordinate plane showing Price of Fleece. The x-axis shows Number of Square Yards and the y-axis shows Price in dollars. A line starts at (0, 0) and passes through (4, 5) and ends (8, 10).
Option D
7

Vera wants to graph a line that passes through (0, 2) and has a slope of . Which points could Vera use to graph the line? Select three options.

Question illustration
A
(–3, 0)
B
(–2, –3)
C
(2, 5)
D
(3, 4)
E
(6, 6)
8

Aaron tracks the time it takes him to mow lawns by writing coordinate points relating x, the time in hours it takes to mow a lawn, and y, the area of land mowed in acres. Two of his points are (3, 1.5) and (5, 2.5). Which statement describes the slope of the line through these two points?

A
It takes Aaron about 1 hour to mow 2 acres.
B
Aaron’s rate for mowing lawns is 0.5 acres per hour.
C
The ratio of acres to time is 5 acres to 3 hours.
D
The rate to mow a lawn is 0.6 hours per acre.
9

Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ?

Question illustration
A
–
Option A
B
–
Option B
C
–
Option C
D
–
Option D
10

What phrases can be used to describe the line representing the relationship between the number of balloons remaining and the number of hats created? Select three options.

A
positive slope
B
negative slope
C
constant slope
D
increasing function
E
decreasing function

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