In ten years, the population of Detroit fell from 950,000 to about 712,500. Find the percent change.
1 answer:
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Inverse variation means
When the value of x increases the value of y decreases.
When the value of x decreases the value of y increases.
So for an inverse variation we have the expression
or
The expression which represents this condition is
Hence option b) or the second option is the right answer.
Answer:
I'm going to use the following as an example.
To find the y-intercept, set x equal to 0 then solve for y.
two times zero is zero, so we have the following equation.
Solve for y
Your first point you will graph is (0, 2).
Now solve for the x intercept. To do this, set y = 0.
4(0) = 0, so you can remove it, and solve for x.
Now the next point you have is (4, 0). plot that point. Connect the two points with a line and you are done.