one year after the celebrity first began posting comments on a website, she had 23,100 followers.Five years after this celebrity first began posting comments,she had 165,100 followers.
(A) find the slope of the line that passes through the points (1,2300), and (5,165100).
(B) interpret the slope as a rate of change. Thus the slope is?

Question

one year after the celebrity first began posting comments on a website, she had 23,100 followers.Five years after this celebrity first began posting comments,she had 165,100 followers.
(A) find the slope of the line that passes through the points (1,2300), and (5,165100).
(B) interpret the slope as a rate of change. Thus the slope is?

kropot72 · Answer

The slope m is found from the formula
$$m=\frac{y _{1}-y _{2}}{x _{1}-x _{2}}$$

anonymous · Answer

What would be the answer?

kropot72 · Answer

$$m=\frac{2300-165100}{1-5}=you\ can\ calculate$$

anonymous · Answer

does that mean i would take 2300-165100=162,800?

kropot72 · Answer

Nearly right.
2300 - 165100 = -162800

kropot72 · Answer

And 1 - 5 = -4
$$\frac{-162800}{-4}=?$$

anonymous · Answer

162,796?

kropot72 · Answer

The fraction can be made to look simpler by multiplying both the numerator and the denominator by -1:
$$m=\frac{162800}{4}=?$$

anonymous · Answer

40,700?

kropot72 · Answer

Correct! The slope of 40,700 means that the celebrity is gaining followers at the rate of 40,700 per year.

anonymous · Answer

it states that its not correct

kropot72 · Answer

When I check your question there is an incorrect ordered pair. The first ordered pair should read (1, 23100). Therefore the slope needs to be recalculated as
$$m=\frac{23100-165100}{1-5}=\frac{-142000}{-4}=35500$$

kropot72 · Answer

That means the celebrity is gaining followers at the rate of 35500 per year.

anonymous · Answer

thats correct 35500