"For problems 1 & 2, find the slope of the line passing through the given points." The points are (6,15) and (4,5) for the first problem.
I don't want the answer, I want someone to walk me through it!

- anonymous

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- schrodinger

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- anonymous

Alright. Does this formula sound familiar?

- anonymous

|dw:1440384901918:dw|

- anonymous

sorry I had to get on my laptop, but yes it does

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- anonymous

@anitasonia98

- anonymous

it's ok! alright.

- anonymous

|dw:1440385456076:dw|
Does that make sense?

- anonymous

sorry for the bad handwriting lol

- anonymous

Yes it makes sense :)

- anonymous

I substituted those, i switched it to y1-y2 over x1-x2. I got 10 over 2 which simplifies to 5?

- anonymous

You can do that :) I learned it as y2-y1/x2-x1, but what you did is okay too :)

- anonymous

And you got the right slope! Good job :)

- anonymous

So is that all I would have to write for the answer, 5? Or do I have to do anything else?
And The second problem is a little different, if you dont mind helping me with that after this :)

- anonymous

They're just asking about the slope, so that's it.
I don't mind helping at all :)

- anonymous

Thank you! That was more simple than what I thought it'd be! And I will take a picture of number 2 with my phone, it's a graph

- anonymous

Sure! :)

- anonymous

This is the graph

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- anonymous

Don't mind the equation that was something I'd written a day or two ago

- anonymous

Is the first point (2,5)? I can't see it very well.

- anonymous

Honestly, i can barely see it! All I can make out is the (5, -1) /:

- anonymous

I think it's (2,5) xD
It's the same process as the last question.

- anonymous

Just use the y1-y2/x1-x2 formula :)

- anonymous

For the second problem, I got the answer of -2

- anonymous

That's correct :)

- anonymous

Okay this is the last one, I swear. I havent done slope in two years. I have to do more problems and they're the ones I have trouble with - graphing. But for the problem 3, its "what is an equation of a line with slope 8 and y intercept 10?"

- anonymous

That's ok!

- anonymous

Thanks for your help btw!

- anonymous

Np!
y=mx+b
m is your slope, so now you've got y=8x+b
b is your y-intercept, so plug in 10, and what do you get?

- anonymous

y=8x+10?

- anonymous

yep!

- anonymous

Thats it?

- anonymous

yep :)

- anonymous

it's a lot simpler than you think :o

- anonymous

It sure is. Its been so long since Ive done it, but now Im starting to remember it! thank you so much for your help :) i gave you a medal lol

- anonymous

I totally understand the feel, lol. And np!
Thanks!! I'm around to help, so if you need anything else, just hmu!

- anonymous

Would I do the y1-y2 over X1-x2?

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- anonymous

that would get your slope.
then you plug in one of those coordinates to get your y-intercept :o
once you have your slope and y-intercept you have your equation

- anonymous

I got the slope of 4, is that right? And how do I get y intercept?
y=mx+b , would I say
y=4x+ A random coordinate?

- anonymous

that's the right slope.

- anonymous

|dw:1440388219466:dw|

- anonymous

i got it down to 3=12+b

- anonymous

Alright. What would b be then?

- anonymous

Would i subtract 3 from both sides? i'm bad at this. lol

- anonymous

subtract 12 from both sides

- anonymous

-9.. so the equation would be y=4x-9?

- anonymous

yep :)

- anonymous

thank you so much, Im about to go to bed haha! have a good night

- anonymous

np! good night!

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