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Mathematics 19 Online
OpenStudy (hotpinkgirl):

find the slope of line E A. - 1/2 B. 1/2 C. -2 D. 2

OpenStudy (hotpinkgirl):

OpenStudy (anonymous):

Do you know how to find the slope of a line using two points?

OpenStudy (hotpinkgirl):

yes, there is a rise of 2 and a run of 4 but im not shure if its 2, or -2

OpenStudy (anonymous):

Okay just use these point =) (2,4) (6,2)

OpenStudy (hotpinkgirl):

and then what do i do?

OpenStudy (anonymous):

Well to find the slope from two given points, you use the equation y2-y1/x2-x1

OpenStudy (anonymous):

I found the slope to be 1/2

OpenStudy (hotpinkgirl):

how did you do it?

OpenStudy (anonymous):

basically what you do is this: \[\frac{ y2-y1 }{ x2-x1 }\] Substitute both of the x values and y values for the y's and x's so it'll look like this \[\frac{ 4-2 }{ 6-2 } = \frac{ 2 }{ 4 } = 1/2\]

OpenStudy (hotpinkgirl):

ok, thanks!!! : )

OpenStudy (anonymous):

it doesn't matter what values you name y1, y2, x1, or x2 =) just as long as you only use the x values on the x axis for the x's and the y values from the y axis for the y'a your good to go =)

OpenStudy (anonymous):

no prob! =)

OpenStudy (hotpinkgirl):

it was A.= -1/2

OpenStudy (anonymous):

That was the right answer?

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