Question

The graph shows the altitude of a helicopter over time. A graph measuring altitude and time. A line runs through coordinates (0, 10,000) and (15, 4000) and shows a decrease in altitude as time increasesWhat is the slope of the line and what does it mean in this situation? The slope is –2000 . This means that the helicopter descends 2000 ft each minute. The slope is –400 . This means that the helicopter descends 400 ft each minute. The slope is 400. This means that the helicopter ascends 400 ft each minute. The slope is 2000. This means that the helicopter ascends 2000 ft each minute.

69 POINTS!!

Answer 1

15, 4000, and 0, 10,000.
to find the slope, subtract the y values over the x values

10000-400/0-15
6000/-15

divide.

6000/-15 = -400

the slope is -400. Hope this helps! :D

Answer 2

The slope of the given graph is required.

The slope is –400 . This means that the helicopter descends 400 ft each minute.

The two points of the graph are $(0,10000)$ and $(15,4000)$

Slope is given by

$m=\dfrac{\Delta y}{\Delta x}\\\Rightarrow m=\dfrac{4000-10000}{15-0}\\\Rightarrow m=-400$

The unit rate of the helicopter is -400 ft/minute.

It is given that the helicopter is descending.

The correct option is The slope is –400 . This means that the helicopter descends 400 ft each minute.

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