Lesson: Changing the Subject of a Formula Glencoe • Algebra 2 • enVision • Algebra 1 • Common Core • Glencoe • Algebra 2 • Common Core

Mathematics

In this lesson, we will learn how to rearrange simple formulas using inverse operations.

Sample Question Videos

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Worksheet

Q1:

Solve with an expression for in terms of .

Q2:

Rearrange to make the subject.

Q3:

In 1897, Amos Dolbear derived a formula linking the number of cricket chirps and the temperature. The law states that the temperature , in degrees Celsius, is related to the number of cricket chirps in a minute by the formula

Rearrange the formula to make the subject.

Given that the temperature on a particular day is , estimate the number of cricket chirps that you would expect to hear in a minute.

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