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An airplane 30,000 feet above the ground begins descending at the rate of 2000 feet per minute. Assume the plane continues at the same rate of the descent. The planes height and minutes above the ground are related to each other. Identify the vari
ables in this situation: x=_____ y=____
What is the given information in this problem ( find all that apply)?
Y- intercept____ slope___one point (___,___)
second point: (___,___)
in this situation:



Answer :

ollieboyne
If we call y the height of the plane, we know when the time (x) is 0, the height is 30000. So let's write that in:

y = 30000 + (0)

Then, for every increase of a minute (x increases by 1), the height reduces by 2000. This can be written as:

y = 30000 - 2000x

Using what we know about y = mx+c equations, the slope of the line is -2000, and the y-intercept is (0, 30000).

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