Special Linear Relationships — Unit test Answers

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The table shows the profit from a school book fair based on the number of books sold.

$0.50 per book

$0.67 per book

$1.07 per book

$1.50 per book

A line contains points M(1, 3) and N(5, 0). What is the slope of MN?

negative StartFraction 4 Over 3 EndFraction

negative StartFraction 3 Over 4 EndFraction

StartFraction 3 Over 4 EndFraction

StartFraction 4 Over 3 EndFraction

Which equation represents the line that passes through (–6, 7) and (–3, 6)?

y = –x + 9

y = –x + 5

y = –3x – 11y

y = –3x + 25

The velocity of an object in meters per second varies directly with time in seconds since the object was dropped, as represented by the table.

4.9

9.8

10.2

19.6

Which equation represents a line that passes through (–9, –3) and has a slope of –6?

y – 9 = –6(x – 3)

y + 9 = –6(x + 3)

y – 3 = –6(x – 9)

y + 3 = –6(x + 9)

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