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Mathematics 51 Online
OpenStudy (anonymous):

Which of the following is the slope between the points (2, 3) and (-3, 0)?

OpenStudy (lgbasallote):

\[\large \text{slope} \; = \; \frac{y_2 - y_1}{x_2 - x_1}\] does that help?

OpenStudy (anonymous):

(subtract the y's) divided by (subtract the x's)

OpenStudy (anonymous):

I got (3,-1)

OpenStudy (lgbasallote):

a slope is a number..not a coordinate

OpenStudy (lgbasallote):

and also i think what you did was \[((y_1 + y_2) \; ,\; (x_1 + x_2))\]

OpenStudy (anonymous):

So would it be 3/-1?

OpenStudy (lgbasallote):

hmm first tell me what's your y2?

OpenStudy (anonymous):

|dw:1342137958964:dw|

OpenStudy (lgbasallote):

i see what you did wrong.. \[-3 - 2 \ne -1\]

OpenStudy (lgbasallote):

also 0 -3 is not 3

OpenStudy (anonymous):

is 0-3= 0?

OpenStudy (lgbasallote):

no

OpenStudy (anonymous):

I'm confused.

OpenStudy (lgbasallote):

try covering 0...what number do you see

OpenStudy (anonymous):

-3?

OpenStudy (lgbasallote):

correct

OpenStudy (lgbasallote):

so that's your numerator

OpenStudy (lgbasallote):

now what is -3 - 2//

OpenStudy (anonymous):

Would my answer be -3/-5?

OpenStudy (lgbasallote):

yep that's right

OpenStudy (lgbasallote):

but remember...negative divided by negative equals positive

OpenStudy (anonymous):

Thank you SO much! =)

OpenStudy (lgbasallote):

you're welcome SO much!! lol

OpenStudy (anonymous):

=)

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