The graph shows a proportional relationship between a family's distance from home, y, and the time they spent driving, x. Write an equation for the relationship shown by the graph. The equation y = models the relationship. %3D Vacation Driving 460- 368- 276- 184- 92- 4. 6. 8. 10 Time (hours) Distance From Home (miles)

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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.