8th Grade Rate of Change Review

Front

What is the rate of change?

Back

The rate of change is a measure of how much a quantity changes in relation to another quantity. It is often expressed as a ratio or a fraction.

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

How do you calculate the rate of change between two points?

Back

To calculate the rate of change between two points (x1, y1) and (x2, y2), use the formula: Rate of Change = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

What does a positive rate of change indicate?

Back

A positive rate of change indicates that as one quantity increases, the other quantity also increases.

Tags

CCSS.HSF-LE.A.1B

Front

What does a negative rate of change indicate?

Back

A negative rate of change indicates that as one quantity increases, the other quantity decreases.

Tags

CCSS.HSF-LE.A.1B

Front

What is the rate of change for the function y = 2x + 3?

Back

The rate of change is 2, which means for every 1 unit increase in x, y increases by 2 units.

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

If the rate of change is 1/2 dollar per ticket, what does this mean?

Back

It means that for each ticket sold, the revenue increases by 1/2 dollar.

Tags

CCSS.HSF-LE.A.1B

Front

Calculate the rate of change if a car travels 60 miles in 1 hour.

Back

The rate of change is 60 miles per hour.

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Front

What is the rate of change for the table below? (Assuming values increase by 3 for every increase of 1 in x)

Back

The rate of change is 3.

Tags

CCSS.HSF-LE.A.1B

Front

If the rate of change is -4, what does this indicate about the relationship between the two quantities?

Back

It indicates that as one quantity increases, the other quantity decreases at a rate of 4.

Tags

CCSS.HSF-LE.A.1B

Front

What is the significance of a rate of change of 0?

Back

A rate of change of 0 indicates that there is no change in the quantity; it remains constant.

Tags

CCSS.HSF-LE.A.1B