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Mathematics 9 Online
OpenStudy (anonymous):

What is the equation of the line? A. Y=-2X https://static.k12.com/calms_media/media/1503500_1504000/1503772/1/5afd0b9bb4861bae518958d61ebaa2a6f9dddcc4/MS_IMC-140523-131303.jpg B. Y =-1/2X C.Y=1/2X D. Y = 2X

OpenStudy (lolacole12):

u go to k12 sutter

OpenStudy (anonymous):

yeah i'm a student t k12

OpenStudy (lolacole12):

d im in k12 too what grade

OpenStudy (anonymous):

8

OpenStudy (lolacole12):

D

OpenStudy (lolacole12):

In order to find an equation of a line, you need to find the slope first. Pick two points on the line and use the slope formula to find the slope. As you can see by looking at the line, (0,0) is on the line, and so is (1,2). You only need two points to find the slope, so let's do that!

OpenStudy (lolacole12):

nvm its d dnt gt to explain lol

OpenStudy (anonymous):

Oh ok so the answer is y= 2x

OpenStudy (lolacole12):

yep

OpenStudy (anonymous):

thanks what grade are you n

OpenStudy (lolacole12):

12

OpenStudy (anonymous):

and can you mayby help me with a few more

OpenStudy (lolacole12):

sure

OpenStudy (lolacole12):

medal first

OpenStudy (anonymous):

Which describes the slope of this line? A. positive slope B. negative slope C. zero slope D. undefined slope

OpenStudy (lolacole12):

If the line goes "up" in the postive x direction the slope is positive. If the line goes "down" in the positive x direction the slope is negative. If the line is horizontal the slope is 0. If the line is vertical the slope is undefined

OpenStudy (lolacole12):

wait wats the line

OpenStudy (anonymous):

sorry my computer froze

OpenStudy (lolacole12):

lol

OpenStudy (lolacole12):

no one sec

OpenStudy (anonymous):

k

OpenStudy (lolacole12):

A

OpenStudy (lolacole12):

wait no

OpenStudy (lolacole12):

yay

OpenStudy (lolacole12):

next

OpenStudy (lolacole12):

@megax

OpenStudy (anonymous):

so A

OpenStudy (lolacole12):

lemme check

OpenStudy (lolacole12):

@Hero

OpenStudy (anonymous):

i have no idea im in 6th grade

OpenStudy (lolacole12):

lol oh

OpenStudy (lolacole12):

@Hero

OpenStudy (lolacole12):

yay it should be a

OpenStudy (lolacole12):

one more the i gtg

OpenStudy (lolacole12):

hero can u help

OpenStudy (lolacole12):

nvm he left well i gtg srry

OpenStudy (anonymous):

itsok

OpenStudy (anonymous):

thanks for helping

OpenStudy (lolacole12):

wait @Vocaloid

OpenStudy (lolacole12):

or @Deadly_Roses @Directrix @carsonce

OpenStudy (lolacole12):

if one o them come ask for help

OpenStudy (lolacole12):

bye

OpenStudy (anonymous):

bye

OpenStudy (anonymous):

please help with 2nd one

Directrix (directrix):

There is a lot of "stuff" in this thread. I do not know which problem is the second one.

OpenStudy (anonymous):

i will repst it in here

OpenStudy (anonymous):

Which describes the slope of this line? A. positive slope B. negative slope C. zero slope D. undefined slope https://static.k12.com/calms_media/media/1503500_1504000/1503773/1/7d69ec46ffc5d59c130886d30bc5ca7f0b9ee285/MS_IMC-140523-131304.jpg

OpenStudy (deadly_roses):

I think it would be A but I'm not sure...anyone else?

OpenStudy (anonymous):

I thought A but i wasnt sure

OpenStudy (anonymous):

What is the slope of the line passing through the points (–1, 3) and (4, –7)? A.2 B.3/4 C. -4/3 D.-2

Directrix (directrix):

Look at the graph from left to right. As x increases, the corresponding values of y are falling. That means that the line has a negative slope. For a positive change in x, there is a negative change in y.

Directrix (directrix):

@TristaDrawingFreak23 >>>Which describes the slope of this line? is the problem to which I responded.

OpenStudy (anonymous):

K

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