Proportional Relationships Quiz

What is a direct proportion?

• A direct proportion is a relationship between two quantities where they increase or decrease together by different factors.

• A direct proportion is a relationship between two quantities where they increase or decrease together by the same factor.

• A direct proportion is a relationship between two quantities where one increases while the other decreases.

• A direct proportion is a relationship between two quantities where they have no effect on each other.

Tags

MA.7.AR.3.3

If y is directly proportional to x, what is the equation that represents this relationship?

• y = k/x

• y = kx

• y = x^2

• y = x + k

Tags

MA.7.AR.3.3

If y varies directly with x, and y = 8 when x = 4, what is the value of y when x = 10?

• 20

• 24

• 16

• 12

Tags

MA.7.AR.3.3

What is the graph of a direct proportion?

• A hyperbola

• A straight line passing through the origin (0,0)

• A sine wave

• A parabola

Tags

MA.7.AR.3.3

If the graph of a proportional relationship passes through the point (2, 5), what is the constant of proportionality?

• 0.5

• 10

• 3

• 2.5

Tags

MA.7.AR.3.3

If y is directly proportional to x, and y = 12 when x = 3, what is the value of x when y = 20?

• 6

• 4

• 8

• 5

Tags

MA.7.AR.3.3

What is a proportional equation?

• An equation that states that two ratios are equal.

• An equation that states that two numbers are equal.

• An equation that states that two variables are equal.

• An equation that states that two fractions are equal.

Tags

MA.7.AR.3.3

If y varies directly with x, and y = 10 when x = 5, what is the value of y when x = 8?

• 16

• 25

• 20

• 12

Tags

MA.7.AR.3.3

What is the graph of a proportional equation?

• A parabola

• A straight line passing through the origin (0,0)

• A circle

• A hyperbola

Tags

MA.7.AR.3.3

If the constant of proportionality is 3, and y = 9, what is the value of x?

• 15

• 12

• 3

• 6

Tags

MA.7.AR.3.3