100(x – 3) = 1,000 500(x – 3) = 5,000 0.03(x – 3) = 0.3 0.72(x + 2) = 7.2 (x +2) = 0

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.