Equations with Proportional Relationships

Is this table proportional?

• Yes

• No

Which of the following equations represents the same relationship shown in the table?

• y = 2x

• y = 1/2x

• y = x+2

• y = x-2

Select ALL of the points that would be in the solution set of the function shown below.

• (2,5)

• (5,2)

• (0,0)

• (4,10)

• (10,4)

Which of the following equations represents the same relationship shown in the graph?

• y=x+3

• y=x-3

• y=3x

• y=1/3x

Which correctly describes how to graph the equation shown below?

• Start with a point at (1,4). Then go up 1 and up 4 to the right.

• Start with a point at (1, 4). Then go up 4 and 1 to the right.

• Start with a point at (0, 0). Then go up 4 and 1 to the right.

• Start with a point at (0, 0). Then go up 1 and 4 to the right.

On Friday, Jessica babysat for 3 hours and earned $27.  On Saturday, Jessica babysat for 6 hours and earned $54.  On Friday, Jessica babysat for 7 hours and earned $63.  Write an equation to represent her earnings if x represents hours and y represents earnings.

• y=3x

• y=9x

• y=27x

• y=16x

What is the slope of the relationship illustrated in the graph?

• 4

• 3

• 3/4

• 4/3

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

Is the given table a proportional relationship? If so, what is the constant of proportionality?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No