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Mathematics 15 Online
OpenStudy (anonymous):

@xGuardians

OpenStudy (xguardians):

Hello again!

OpenStudy (anonymous):

Hiya! :) I just want this explained. NO ANSWER! :) What is the slope of the line that passes through points A and B ? A. 5/2 B. 2/5 C. -2/5 D. -5/2

OpenStudy (xguardians):

Is this a positive or negative slope? Let's start with that question.

OpenStudy (anonymous):

\[ m = \frac{ y_{2}-y _{1} }{ x _{2}-x _{1} }\] Where m is your slope, take points of A and B.

OpenStudy (anonymous):

@xGuardians Positive

OpenStudy (xguardians):

Okay Great @CrazyCountryGirl , now that eliminates which two options?

OpenStudy (anonymous):

C and D? @xGuardians

OpenStudy (anonymous):

@xGuardians

OpenStudy (xguardians):

@CrazyCountryGirl Goodjob, that right, now to decipher from the final two, let me ask you this. What is slope? x over y OR y over x?

OpenStudy (anonymous):

Rise over run. so.... x over y?

OpenStudy (xguardians):

nope, rise is the y, and run is the x! But nice try, it is rise over run, you just got the second part wrong. Now use your fingers and look at the graph, count how many to the right (x) and how many up (y) then put it in y _ x

OpenStudy (anonymous):

Oh. :) @xGuardians How do I get that?

OpenStudy (xguardians):

Count from the bottom point, to the top point. Count to the right how many dots, then up how many dots :) @CrazyCountryGirl

OpenStudy (xguardians):

Start at A -> Count to the right until your under b, then count up to b. tell me what you get :)

OpenStudy (anonymous):

Two to the right Five up So... would that be 2/5?

OpenStudy (anonymous):

@xGuardians

OpenStudy (xguardians):

Remember its rise over run. and you got 5 up and 2 right. so what would it actually be? 5/2 :) @CrazyCountryGirl

OpenStudy (xguardians):

A is the answer!

OpenStudy (anonymous):

Oh. :) I get it. :) Thanks!

hero (hero):

Hmmm

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