AnswersAlgebra III AIntroduction to Linear Functions

Slope of a Line Answers

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68417
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undefinedzeropositive✔ negative

A
undefined
B
zero
C
positive
D
✔ negative
68420

The slope of the graph is –1. Which statement describes how the slope is related to the burning of a candle?

A
candle height increases 1 cm per hour
B
candle height decreases 9 cm per hour
C
candle is 1 cm tall
D
candle burns down 1 cm per hour
68422

Which statement describes the slope of a graph of the data?

A
For each additional pound, the price increases $0.50.
B
For each additional pound, the price increases $1.50.
C
For every additional dollar, the pumpkin can increase by 1.5 pounds.
D
For every additional dollar, the pumpkin can increase by 0.5 pounds.
68425

What error did she make?

A
She simplified the denominator incorrectly. The denominator simplifies to –7.
B
She labeled the points incorrectly. The point (–7, 4) should be (x1, y1).
C
She used an incorrect formula. The formula should be the change in y-values with respect to the change in the x-values.
D
She used an incorrect formula. The formula should be the sum of the x-values with respect to the sum of the y-values.
68426

Which linear function represents a slope of ?

Question illustration
A
[Image: A two column table with five rows. The first colum...]
Option A
B
[Image: A coordinate plane with a straight line with a pos...]
Option B
C
[Image: A two column table with five rows. The first colum...]
Option C
D
[Image: A coordinate plane with a straight line with a pos...]
Option D
68428

The slope of the graph is –1. Which statement describes how the slope is related to the burning of a candle?

A
candle height increases 1 cm per hour
B
candle height decreases 9 cm per hour
C
candle is 1 cm tall
D
candle burns down 1 cm per hour
68430

Which statement describes the slope of a graph of the data?

A
For each additional pound, the price increases $0.50.
B
For each additional pound, the price increases $1.50.
C
For every additional dollar, the pumpkin can increase by 1.5 pounds.
D
For every additional dollar, the pumpkin can increase by 0.5 pounds.
68433

What error did she make?

A
She simplified the denominator incorrectly. The denominator simplifies to –7.
B
She labeled the points incorrectly. The point (–7, 4) should be (x1, y1).
C
She used an incorrect formula. The formula should be the change in y-values with respect to the change in the x-values.
D
She used an incorrect formula. The formula should be the sum of the x-values with respect to the sum of the y-values.
68434

undefinedzeropositive✔ negative

A
undefined
B
zero
C
positive
D
✔ negative

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