## 9.3 Chapter Review Pg. 360 Questions: 7 and 9.

B) Yes, the graph represent a linear relation. It represents a linear relation because the dots could be connected with a single straight line. You can also tell that it's linear because the same pattern's repeating over and over again.C) Yes it's possible to have other points between the ones on this graph because Klaus can work for only a part of an hour and can also receive a part of his hourly pay.

A) The points are lining up in a straight line. 9 units up and 3 units over. X-axis is increasing by 1 and the y-axis is going up by 2.

C) The value of y when x = 2 is 8.

Explanation: 3x + 2 = y

3(2) + 2 = y

6 + 2 = y

8 = y

D) The value of y when x = 5

is 17.

Explanation: 3x + 2 = y

3(5) + 2 = y

15 + 2 = y

17 = y

## 9.3 Practice Test Page 362 Questions: 2 and 3.

The correct answer is letter B because if we tried using that expression for Base 1, 2, and 3, it would work.

Proof - Toothpicks in

Base 1: 3b

3(1)

= 3 (Toothpicks in Perimeter)

Base 2: 3b

3(2)

= 6 (Toothpicks in Perimeter)

Base 3: 3b

3(3)

= 9 (Toothpicks in Perimeter)

The correct answer is letter C because the points corresponds to the numbers given on the table.

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