Mammoth Memory

Subject of a formula

Subject of a formula – It is the variable everything is equal to (it’s the letter on its own).

The variable everything in an equation is equal to is the subject of a formula

Todays subject will be how to write a letter.


Example 1


 ‘x’ is the subject of the formula because it is the LETTER everything is equal to.


Example 2

Rearrange the following equation to make `C` the subject.

`A = BC-3D`


Answer: `C=(A+3D)/B`

Now `C` is the subject of the formula.

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