A descending hot air balloon moves downward at a steady rate. The altitude, in feet, of the hot air balloon x minutes after it begins the descent can be modeled by the given expression:
375x + 1500 What does the 375 in the expression represent in this context? A.) the rate of descent of the hot air balloon B.) the altitude of the hot air balloon after x minutes C.) the total descent of the hot air balloon after x minutes D.) the altitude of the hot air balloon before it begins descending
Slopeintercept form, for the equation of a line, is y = mx + b
m is slope (or rate of change) b is the yintercept In the expression 375x + 1500, the 375 is the rate of change of the hot air balloon. A.) the rate of descent of the hot air balloon By the way, 1500 would be the starting height of the balloon, before it begins its descent. Also, if this expression were an equation such as y = 375x + 1500, then y would be the altitude after x minutes. Ask Algebra House
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