How can you rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations?

Question

Mathematics

Bernard

30 April, 14:38

How can you rearrange formulas to highlight a quantity of interest, using the same reasoning as in solving equations?

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Answers (1)

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Braelyn · Answer 1

Its probably easier to explain by doing an example.

Make a the subject of the formula

b^2 = 2as + c

subtract c from both sides:-

b^2 - c = 2as

Now divide both sides by 2s (to isolate a) : -

a = (b^2 - c) / 2s