This bar graph shows the stopping distance (in feet) for a car traveling at different speeds. 800 700 E 600 Y 500 400 300 A 200 100 40 50 60 70 80 90 ft/sec ft/sec ft/sec 100 ft/sec ft/sec ft/sec ft/sec Speed Approximately how fast is the car traveling if it takes 271 feet to stop? 60 V ft/sec

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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.