Andre wants to put a carpet down on a circular room that has a diameter of 14 feet. How many square feet of carpeting does he need?  cricle which formula to use: c = 2nr or c = nd or A = nr2  Substitute: Solve:  Andre will need __________ square feet of carpeting.

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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.