Im Proportional Relationships

Which of the following equations represents a proportional relationship?

• y = x^2

• y = 3x - 2

• y = 2x + 3

• y = 4x

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

• 0.2

• 1.0

• 0.5

• 0.1

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?

• y = x^2 + 3

• y = 2x - 1

• y = 5x

• y = 4x + 2

• Proportional

• Not proportional
  

Determine if the ratios are equivalent.
4/5 and 15/20

• Yes

• No

Determine if the ratios are proportional.
4/5 and 15/20

• Yes

• No

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

• 3 : 8

• 3 : 5

• 2 : 8

• 2 : 5

Which equation matches the graph?

• y = 8x

• y = 1x

• y = 3x

• y = 16x

What is the Constant of Proportionality of the Table?

• 3

• 1/3

• 1/2

• 6