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Mathematics 12 Online
OpenStudy (anonymous):

Find the slope of the line below. If necessary, use a slash (/) to indicate a division bar. http://media.apexlearning.com/Images/200706/18/009fb4dc-a2d3-4ea3-8f39-62f73e08e8de.gif m=

OpenStudy (anonymous):

Please help owl office . Thanks

OpenStudy (owlcoffee):

The slope of any line is defined by the difference between the y-coordinates of the points divided the difference between the x-coordinates, so, the formula looks like this: \[m _{ab}=\frac{ y_2-y_1 }{x_2-x_1 }\] So, applying it for the points: \[m=\frac{ 4-(-4) }{ 3-(-1) }\] So, all you have to do is operate the fraction and see what you obtain as a result.

OpenStudy (anonymous):

6.3 ?

OpenStudy (owlcoffee):

Not really, first off you have to operate the multiplication of negatives on both the numerator and denominator: \[m=\frac{ 4-(-4) }{ 3-(-1) }\] \[m=\frac{ 4+4 }{ 3+1 }\]

OpenStudy (anonymous):

so is that the answer ? ^

OpenStudy (owlcoffee):

No, you have to sum 4+4 and divide it by 4.

OpenStudy (anonymous):

2

OpenStudy (owlcoffee):

that's correct.

OpenStudy (anonymous):

so m=2

OpenStudy (anonymous):

?

OpenStudy (owlcoffee):

Yes.

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

@Owlcoffee _____ is the difference in x-coordinates ?

OpenStudy (owlcoffee):

No, the difference between the x coordinates is "x2-x1" which is below the division line.

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