RP review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Tags

CCSS.7.RP.A.2A

Front

How can you identify a proportional relationship on a graph?

Back

A proportional relationship on a graph is represented by a straight line that passes through the origin (0,0).

Tags

CCSS.7.RP.A.2D

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant ratio between two proportional quantities, often represented as 'k' in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

If y = 5x, what is the constant of proportionality?

Back

The constant of proportionality is 5.

Tags

CCSS.7.RP.A.2B

Front

What does the slope of a line represent in a proportional relationship?

Back

The slope of a line in a proportional relationship represents the constant of proportionality.

Tags

CCSS.7.RP.A.2D

Front

How do you write an equation for a proportional relationship?

Back

The equation for a proportional relationship can be written in the form y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

What is the relationship between the coordinates of points on a proportional graph?

Back

The coordinates (x, y) of points on a proportional graph satisfy the equation y = kx, meaning y is directly proportional to x.

Tags

CCSS.7.RP.A.2D

Front

If a table shows the values (1, 2), (2, 4), (3, 6), is it proportional?

Back

Yes, it is proportional because the ratio of y to x is constant (2 in this case).

Tags

CCSS.7.RP.A.2A

Front

What is the equation for the table: (1, 3), (2, 6), (3, 9)?

Back

The equation is y = 3x.

Tags

CCSS.6.EE.C.9

Front

If Taylor can write 25 words per minute, how many words can he write in 4 minutes?

Back

Taylor can write 100 words in 4 minutes (25 words/minute * 4 minutes).

Tags

CCSS.6.RP.A.3B