# algebra

how to solve this question. this is slope: (x,x-2) and (x+2,x)

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1. What are you "solving" ?

are you finding the slope?

if so, then

slope = (x-2 - x)/(x - (x+2))
= -2/-2
= 1

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posted by Reiny
2. What is the slope of the line?

The slope of a line is equal to the following fraction:

(number of vertical units it takes to travel from one point to another)/(number of horizontal units it takes to travel from one point to another.

The letter m has been used to represent the slope in math courses.

If a line has points
(a, b) and (c, d), then the slope can be found by using this formula:

m = (d - b)/(c - a)

Plug into the formula above the value of a, b c and d and then simplify the fraction.

I'll let you do that part of the question.

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posted by Guido

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