Mathematics
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OpenStudy (anonymous):
draw a line with a slope of 1/4 through the point (0,-4)
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OpenStudy (kidrah69):
y=mx+b
OpenStudy (kidrah69):
m=slope
b= -4
OpenStudy (pinklion23):
okay what is the question
OpenStudy (kidrah69):
Wrong
OpenStudy (kidrah69):
+- dont make sense
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OpenStudy (kidrah69):
you have a negative 4
OpenStudy (kidrah69):
so there is not need for +
OpenStudy (anonymous):
OpenStudy (anonymous):
one of them is the answer
OpenStudy (ashes.boom):
slope is the change from one point to another so starting with the point you have move one point over and four points up
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OpenStudy (ashes.boom):
does taht make sense?
OpenStudy (anonymous):
not really
OpenStudy (ashes.boom):
okay so the slope is 1 over 4. The slope represents the distance from the starting point to the new point you want to make okay?
OpenStudy (ashes.boom):
so starting at 0, -4 you move one to the right (becuase the slope is positive) getting you to 1, -4. you following?
OpenStudy (ashes.boom):
then you use the 4 from the slope to move 4 up (again because the slope is positive) getting you to (1, 0)
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OpenStudy (ashes.boom):
make sense?
OpenStudy (anonymous):
let me try
OpenStudy (ashes.boom):
okay
OpenStudy (anonymous):
all this on a graph
OpenStudy (ashes.boom):
tag me when your done okay
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OpenStudy (anonymous):
i dont get it at all @Ashes.boom
OpenStudy (ashes.boom):
okay lets take a look at the last graph alright?
OpenStudy (anonymous):
ok
OpenStudy (ashes.boom):
what is the starting point
OpenStudy (anonymous):
-4
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OpenStudy (ashes.boom):
(0, -4) the zero is important, it tells you that the point is on the x axis, does that make sense
OpenStudy (anonymous):
yes
OpenStudy (ashes.boom):
okay so you know that (x, y) are coordinates so your x value is 0 and the y is -4.
OpenStudy (anonymous):
yes
OpenStudy (ashes.boom):
how do you get from 0, -4 to 1, -4?
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OpenStudy (anonymous):
moving one
OpenStudy (ashes.boom):
in what direction?
OpenStudy (anonymous):
right
OpenStudy (ashes.boom):
yes perfect. because you moved right, you "added" 1 does that make sense
OpenStudy (anonymous):
yeah
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OpenStudy (ashes.boom):
okay so the top part of your slope is what?
OpenStudy (anonymous):
-1
OpenStudy (ashes.boom):
positive 1
OpenStudy (anonymous):
0
OpenStudy (ashes.boom):
if it was negative one you would have moved to the left into the negative numbers
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OpenStudy (anonymous):
right
OpenStudy (ashes.boom):
so the first part of your slope is 1, right?
OpenStudy (ashes.boom):
Now, how do you get from 1, -4 to 1, -3?
OpenStudy (ashes.boom):
same way you moved the x value...
OpenStudy (anonymous):
whats the answeer
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OpenStudy (ashes.boom):
its the last graph
OpenStudy (anonymous):
i knew it
OpenStudy (ashes.boom):
when you look at it can you see how you move over 1 and up 4?
OpenStudy (anonymous):
thats crazy
OpenStudy (anonymous):
yeah
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OpenStudy (ashes.boom):
okay cool! i hope that helped a little
OpenStudy (anonymous):
yeah thx
OpenStudy (ashes.boom):
your welcome :)