Special Linear Relationships

Question 1

Which linear relationship can be described as a function with direct variation?

Revolt · Accepted Answer

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Question 2

✔ y = (1/9)xy = (1/3)xy = 3xy = 9x

Revolt · Accepted Answer

✔ y = (1/9)x

Question 3

A 3-pound bag of apples costs $5.25. What is the unit price of a pound of apples?

Revolt · Accepted Answer

per pound: $1.75; pounds of apples: 10; y = 1.75x

Question 4

8 9✔ 10 11

Revolt · Accepted Answer

✔ 10

Question 5

y = 1.25x✔ y = 1.75xy = 2.25xy = 2.75x

Revolt · Accepted Answer

✔ y = 1.75x

Question 6

✔ f(n) = –3n + 23f(n) = –3n + 61f(n) = 20 – 3nf(n) = 20n – 3

Revolt · Accepted Answer

✔ f(n) = –3n + 23

Special Linear Relationships Answers