SOLUTION: 2. Find the slope of the line through the following pairs of points. (4, 9) and (8, 17)

Question 125737: 2. Find the slope of the line through the following pairs of points.

(4, 9) and (8, 17)

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Let's denote the first point (4,9) as

. In other words,

and

Now let's denote the second point (8,17) as

. In other words,

and

-------------------------

Start with the slope formula

Plug in ,,,

Subtract the terms in the numerator to get . Subtract the terms in the denominator to get

Reduce

---------------------
Answer:

So the slope of the line through the points (4,9) and (8,17) is

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