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Slope of a Line — Quiz Answers

10 verified answers
1
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Which word describes the slope of the line?

A
zero
B
negative
C
positive
D
undefined
2
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What phrases can be used to describe the line representing the relationship between the number of balloons remaining and the number of hats created? Choose three correct answers.

A
constant slope
B
decreasing function
C
positive slope
D
negative slope
E
increasing function
3

Which graph has a slope of 4 fifths ?

A
Image with description A coordinate plane displays the x-axis labeled from negative 5 to 5 in increments of 1 and the y-axis labeled from negative 5 to 5 in increments of 1. A straight line with a positive slope passes through the points 0 comma 1 and 4 comma 5. The line also passes through approximately negative 5 comma negative 4.
B
Image with description A coordinate plane displays the x-axis labeled from negative 5 to 5 in increments of 1 and the y-axis labeled from negative 5 to 5 in increments of 1. A straight line with a positive slope passes through the plotted points negative 2 comma 0 and 3 comma 2. The line also passes through approximately 0 comma 0.8.
C
Image with description A coordinate plane displays the x-axis labeled from negative 5 to 5 in increments of 1 and the y-axis labeled from negative 5 to 5 in increments of 1. A straight line with a positive slope passes through the plotted points negative 1 comma 1 and 4 comma 5. The line also passes through approximately negative 5 comma negative 2.
D
Image with description A coordinate plane displays the x-axis labeled from negative 5 to 5 in increments of 1 and the y-axis labeled from negative 5 to 5 in increments of 1. A straight line with a positive slope passes through the plotted points 0 comma 0 and 4 comma 5. The line also passes through approximately negative 4 comma negative 5.
4

Line cap A cap b contains points cap A 4 comma 5 and cap b 9 comma 7 What is the slope of over left right arrow mathrm cap A cap b ?

A
5 halves
B
negative 2 fifths
C
negative 5 halves
D
2 fifths
5

Line cap g cap h contains points cap g negative 2 comma 6 and cap h 5 comma negative 3 What is the slope of over left right arrow mathrm cap g cap h ?

A
negative 7 thirds
B
negative 3 sevenths
C
negative 9 sevenths
D
negative 7 ninths
6

Which function shows a fabric with a price of 1 point 2 5 dollars per square yard?

A
Price of Fleece Table with 5 columns and 2 rows.Row 1: Column 1, 'Square Yards'; Column 2, '1'; Column 3, '2'; Column 4, '3'; Column 5, '4' Row 2: Column 1, 'Price'; Column 2, '1 point 2 5 dollars'; Column 3, '2 point 0 0 dollars'; Column 4, '2 point 7 5 dollars'; Column 5, '3 point 5 0 dollars'
B
Image with description A line graph titled Price of Fleece. The x-axis is labeled Number of Square Yards from 1 to 10 in increments of 1, and the y-axis is labeled Price in dollars from 1 to 10 in increments of 1. A straight line with a positive slope passes through approximately the points 1 comma 0.8, 5 comma 4, and 10 comma 8.
C
Image with description A line graph titled Price of Fleece. The x-axis is labeled Number of Square Yards from 1 to 10 in increments of 1, and the y-axis is labeled Price in dollars from 1 to 10 in increments of 1. A straight line with a positive slope passes through approximately the points 1 comma 1.2, 4 comma 5, and 8 comma 10.
D
Price of Fleece Table with 5 columns and 2 rows.Row 1: Column 1, 'Square Yards'; Column 2, '1'; Column 3, '2'; Column 4, '3'; Column 5, '4' Row 2: Column 1, 'Price'; Column 2, '0 point 2 5 dollars'; Column 3, '1 point 2 5 dollars'; Column 4, '2 point 2 5 dollars'; Column 5, '3 point 2 5 dollars'
7

At work, Brett must check and record the internal temperature of the freezer on an hourly basis. When working properly, the temperature should remain constant over time. What word describes the slope of a line showing the temperature of the freezer as a function of time in hours when the freezer is working properly?

A
undefined
B
zero
C
negative
D
positive
8

Which relationship has a zero slope?

A
Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 3'; Column 2, '2' Row 3: Column 1, 'negative 1'; Column 2, '2' Row 4: Column 1, '1'; Column 2, '2' Row 5: Column 1, '3'; Column 2, '2'
B
Image with description A coordinate plane with x axis and y axis labeled from negative 5 to 5. A solid vertical line is plotted parallel to the y axis, passing through x equals negative 2.
C
Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 3'; Column 2, '3' Row 3: Column 1, 'negative 1'; Column 2, '1' Row 4: Column 1, '1'; Column 2, 'negative 1' Row 5: Column 1, '3'; Column 2, 'negative 3'
D
Image with description A coordinate plane with x axis and y axis, both axes labeled from negative 5 to 5. A solid straight line is plotted, passing through the origin at 0 comma 0. The line extends upward and to the right through the point 5 comma 5, and downward and to the left through the point minus 5 comma negative 5.
9

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 comma 1 point 5 and 5 comma 2 point 5 Which statement describes the slope of the line through these two points?

A
Aaron’s rate for mowing lawns is 0 point 5 acres per hour.
B
The ratio of acres to time is 5 acres to 3 hours.
C
The rate to mow a lawn is 0 point 6 hours per acre.
D
It takes Aaron about 1 hour to mow 2 acres.
10

Vera wants to graph a line that passes through 0 comma 2 and has a slope of 2 thirds Which points could Vera use to graph the line? Choose three correct answers.

A
negative 2 comma negative 3
B
negative 3 comma 0
C
2 comma 5
D
6 comma 6
E
3 comma 4

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