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SLOPE= -0.16

@Butterfly16 Thats what I've done before, but then people come along, and tell me I'm wrong! ):

And why are you finding the slope 3 times?

because you have three questions and each question have equation... :)

oh, well I'm on #11.

Im so freaking confused.

now.., using the similar way.., you can solve questions #12 and #13
can you? :)

but you have to write it in point-slope form?!

but don't you have to do 2 equations because of (4,0) and (-2,1)

|dw:1358115682620:dw|

because like that?

Yip, the line would look like that. :o)

|dw:1358115910689:dw|

yup.., it's for the second line... :)

Awesome job! :o)

y-y1=m(x-x1)
y--2=1/2(x--3)
help

The points for number 12?

#12. i got that far but I'm stuck now.

y-y1=m(x-x1)
(-3, -2) (5, 3)
y-(-2)=(5/8)(x-(-3))
y+2=0.625x-1.875
y=0.625x-3.875

but y=mx+b

Yup, so for #12 it'd be y=0.625x-3.875

but thats y=mx-b it should be y=mx+b though right?

why are you guys using decimals? fractions are easier

Can someone show mw how you get #13 now?

ok

4-1/ 3--5 (or 3+5) so what is that?

|dw:1358116987370:dw|

how do you get from y-1= 3/8 x--5 to y=mx +b form?

its as simple as adding 1 number

idk. I was trying to do it like @Butterfly16 was doing it.

oh and its y-1=3/8 x+5

so you add 1 to 5 and you get..

6

y=3/8x+6 ?

so its y=3/8 x +6

yes!

wasn't that easier than you thought?

A lil bit

Well, it seemed like the other people were kinda confusing..

just a little

well.. your done!