The variable x represents the number of HDTVs manufactured and sold in a given month. The variable p is the price charged when you sell a TV.​A demand curve is given by p = 660-3x. Find the x-intercept of this demand curve. Say what it means.

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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.