Special Linear Relationships

Question 1

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

Revolt · Accepted Answer

[Image: A coordinate plane with a line passing through (ne...]

Question 2

The conversion of square feet to square yards can be represented by direct variation. Three square yards are equivalent to 27 square feet. Let y represent the number of square yards and x the number of square feet. Then y varies directly with x.

Revolt · Accepted Answer

1/9; 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

What other points are on the line of direct variation through (5, 12)? Check all that apply.(0, 0)(2.5, 6)(3, 10)(7.5, 18)(12.5, 24)(15, 36)

Revolt · Accepted Answer

(2.5, 6)

Question 5

Consider the sequence of numbers: [image 1] , [image 2] , 1 [image 3] , 1 [image 4] , 1 [image 5] , . . . Which statement is a description of the sequence?

Revolt · Accepted Answer

The sequence is arithmetic and can be represented by the function f(n + 1) = f(n).

Special Linear Relationships Answers

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