AnswersMO-Algebra I AIntroduction to Linear Functions

Introduction to Linear Functions — Unit test Answers

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Pauley graphs the change in temperature of a glass of hot tea over time. He sees that the function appears to decrease quickly at first, then decrease more slowly as time passes. Which best describes this function?

A
It is linear because the graph decreases over time.
B
It is linear because there is both an independent and a dependent variable.
C
It is nonlinear because linear functions are increasing functions.
D
It is nonlinear because linear functions increase or decrease at the same rate.
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A line contains points M(1, 3) and N(5, 0). What is the slope of MN?

A
negative StartFraction 4 Over 3 EndFraction
Option A
B
negative StartFraction 3 Over 4 EndFraction
Option B
C
StartFraction 3 Over 4 EndFraction
Option C
D
StartFraction 4 Over 3 EndFraction
Option D
23

Which graph represents a function with direct variation?

A
Option
B
Option
C
Option
D
Option
24

The table represents a linear function.

Question illustration
A
–3
B
–2
C
3
D
4
25

The graph of a linear function is shown.

Question illustration
A
positive
B
negative
C
zero
D
undefined

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