IM Unit 7 Review

What is the constant of proportionality in the equation y = 3x?

• 2

• 4

• 3

• 1

Which of the following equations represents a proportional relationship? a) y = 2x + 3 b) y = 4x c) y = x^2 d) y = 3x - 2

• c) y = x^2

• d) y = 3x - 2

• a) y = 2x + 3

• b) y = 4x

What is the constant of proportionality in the equation y = 0.2x?

• 0.2

• 1.0

• 0.5

• 0.1

Does this graph represent a proportional relationship?

• Yes, because the line is pretty.
• No, because the line goes through the origin.
• Yes because the line goes through the origin.
• No, because the graph is non-proportional.

How do you write an ordered pair?

• (X,X)
• (Y,X)
• (X,Y)
• (Y,Y)

If a proportional relationship is represented by the equation y = 7x, what is the value of y when x = 3?

• 21

• 35

• 10

• 14

Which of the following equations represents a proportional relationship? a) y = 2x - 1 b) y = 5x c) y = x^2 + 3 d) y = 4x + 2

• c) y = x^2 + 3

• a) y = 2x - 1

• b) y = 5x

• d) y = 4x + 2

Is the graph proportional?

• Yes, it is a straight line.
• No, it does not go through the origin.
• No, it is a straight line.
• Yes, it does not go through the origin.

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

What is the Constant of Proportionality of the Table?

• 3
• 1/3
• 1/2
• 6