Proportional Relationships

Which equation do we use to represent proportional relationships?

• y = kx

• x = ky

• k = y/x

• y = x

Tags

CCSS.7.RP.A.2C

What is the constant on the graph?

Remember: When given data, divide y by x to determine the constant.

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality on this graph?

• 80 miles in 1 hour

• 20 miles in 1 hour

• 40 miles in 1 hour

• 160 miles in 1 hour

Tags

CCSS.7.RP.A.2D

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

Tags

CCSS.7.RP.A.2B

Is this table proportional or non-proportional?

• Proportional
• Non-Proportional

Tags

CCSS.7.RP.A.2A

Based on the graph, Ja'Myriah will drive ​ (a)   miles after 12 hours?

• 480
• 520
• 440
• 400

Tags

CCSS.8.EE.B.5

Based on the graph, what is the ratio of an object's weight on the moon to its weight on Earth?

• 1:6

• 2:6

• 3:12

• 18:3

Tags

CCSS.7.RP.A.2D

Based on the graph, how much will an object weigh on the moon if it weighs 72 pounds on Earth?

• 6 pounds

• 432 pounds

• 12 pounds

• 40 pounds

Tags

CCSS.7.RP.A.2D

Y is the ​ (a)   variable in a proportional relationship.

• dependent
• independent

Tags

CCSS.7.RP.A.2D

Identify the constant of proportionality.

• 2

• 3

• 1.50

• 2/3

• none (not proportional)

Tags

CCSS.7.RP.A.2B