Monday 24 February 2014

Equation and formula

Equation
Equation : two things are equal
Example:
x/2 + 7 = 0
x + 2 = 6





Formula
Formula: special equation that shows the relationship between different variables.

Formula have a subject, that is the single variable (usually on the left of the "=") that everything else is equal to.

Formula can be rearranged so that another variable is the subject.
Example:
V = lwh
w = V / hl

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