IXL | Rate of change: graphs

Each year the Norwood School District publishes its annual budget, which includes information on the sports program's per-student spending.

According to the graph, what was the rate of change between 2022 and 2023?

per

year

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question

In hopes of raising more funds for arts education, some parents in the Weston School District publicized the current per-student arts education budget.

According to the graph, what was the rate of change between 2020 and 2021?

per

year

key idea

Rate of change

change in value

change in time

solution

Plug the numbers into the formula for rate of change and simplify.

Rate of change

change in value

change in time

–

2,021

–

2,020

–

year

per

year

The rate of change between 2020 and 2021 was

per

year

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Teacher tools

Work it out

Not feeling ready yet? These can help:

II.16Interpret line graphs

B.24Add, subtract, multiply, and divide integers

D.8Add, subtract, multiply, or divide two decimals

L.5Unit rates

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