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Mathematics 18 Online
OpenStudy (anonymous):

Hey can you help me with these? Will fan and medal. http://prntscr.com/3f5na7 http://prntscr.com/3f5ndx

OpenStudy (anonymous):

1=slope of 2 2=slope of 1

OpenStudy (anonymous):

5= c thats all i can help on

OpenStudy (anonymous):

ty

OpenStudy (yanasidlinskiy):

@Kinify Do you still need help on this?

OpenStudy (anonymous):

Yes i don't think the answers are correct.

OpenStudy (yanasidlinskiy):

Ok. For the first one, to find the slope you have to use the formula, \[\frac{ rise }{ run }\]

OpenStudy (anonymous):

ok

OpenStudy (yanasidlinskiy):

The graph itself gives it away if it is negative or positive. If it is positive it will NOT be like this:|dw:1398959080915:dw|

OpenStudy (anonymous):

oh

OpenStudy (yanasidlinskiy):

So which one do you think it is?

OpenStudy (anonymous):

For number 1 right?

OpenStudy (yanasidlinskiy):

Yes. What is it? you have 2 going up an 1 to the left. Don't forget that your answer is suppose to be negative. So now you can rule out the postives. 2 going up and 1 going left. \[\frac{ 2 }{ 1 }\] =???? Remember that is is negative which gives you???

OpenStudy (anonymous):

-2

OpenStudy (yanasidlinskiy):

No. Try again. 2 divided by 1 is NOT 1.

OpenStudy (yanasidlinskiy):

Yes! It is -2! Correct!

OpenStudy (anonymous):

Haha thanks xD

OpenStudy (yanasidlinskiy):

Now for #2 Here we start! To find the slope of the line use the formula \[\frac{ Y _{2-Y _{1}} }{ X _{2-X1}}\] Now plug in your values.

OpenStudy (yanasidlinskiy):

Did you get it?

OpenStudy (yanasidlinskiy):

I will set it up for you, but you solve it and I'll tell you if you're correct! \[\frac{ 1 - -3 }{ 1- -2 }\]

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