Unit 7: Data and Interest

What formula do we use to find simple interest?

What formula do we use to find compound interest?

• rate (as a decimal)

• principal (initial amount)

• time (in years)

• interest earned

• account balance

• principal (initial amount)

• time (in years)

• interest earned

• rate (as a decimal)

• principal (initial amount)

• time (in years)

• interest earned

• rate (as a decimal)

• principal (initial amount)

• time (in years)

• interest earned

• rate (as a decimal)

• principal (initial amount)

• time (in years)

• interest earned

What is 2.2% as a decimal?

• 0.22

• 2.2

• 0.022

• 0.0022

How do we convert a percentage to a decimal? (two correct answers)

• move the decimal two times to the left

• divide the percent number by 100

• multiply the percent number by 100

• it's the same number

Which graph suggests a linear relationship between x and y?

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