"What is the rate of change between the interval x = π and x = three pi over two? "
1 answer:
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Answer:
Step-by-step explanation:
This is a very interesting problem. We are given the slope and one point, which makes this funner than normal ;)
Filling in the slope formula with what we are given:
which simplifies to
Since slope is rise over run, the rise number is -3; the run number is 5. That means that the equation to find the y coordinate comes from -3 = y - 2; the equation to find the x coordinate comes from 5 = x + 3 (keep in mind that you could have made the x coordinate the negative one; it doesn't matter. You will get the same answer regardless...promise).
Solving for y:
-3 = y - 2 and
y = -1
Solving for x:
5 = x + 3 and
x = 2
Let's check those coordinates in the slope formula and see if our slope is in fact -3/5:
so we're all good!
The coordinates of B are (2, -1)