WILL GIV MEDAL
What is the slope of the line 5x - 2y = -10?
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OpenStudy (caitlinnr14):
CONFUSED
sam (.sam.):
In the form Y=MX+B, M is the slope, so could you find a way to rearrange 5x - 2y = -10 to that form?
OpenStudy (caitlinnr14):
?
OpenStudy (caitlinnr14):
im so confused im sorry
OpenStudy (littlebird):
Get the y by itself on one side
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OpenStudy (uri):
@caitlinnr14 Formula is y=mx+b
So first arrange your eq.
sam (.sam.):
Like this,
\[5x - 2y = -10\]
Add \(\color{blue}{+2y}\) to both sides and add \(\color{red}{+10}\) to both sides
\[5x\color{blue}{-2y+2y}\color{red}{+10}=-10\color{red}{+10}\color{blue}{+2y}\]
You get
\[5x+10=2y\]
Same as
\[2y=5x+10\]
Divide 2 both sides and you'll get a similar form of y=mx+b
OpenStudy (uri):
5x - 2y = -10?
-2y=-5x-10
OpenStudy (caitlinnr14):
wait is it -2y=-5x-10 or 2y=5x+10 @uri @.Sam.
OpenStudy (anonymous):
thats right
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OpenStudy (anonymous):
5x - 2y = -10?
-2y=-5x-10
OpenStudy (caitlinnr14):
Which one? @jonjenkins7653
OpenStudy (caitlinnr14):
oh ok
OpenStudy (uri):
What i said @caitlinnr14
OpenStudy (anonymous):
yeah thats right
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OpenStudy (uri):
Both are correct @caitlinnr14
OpenStudy (caitlinnr14):
so the slope would be -2/5? i dont know if thts rightttt
sam (.sam.):
Both
2y=5x+10 and -2y=-5x-10 is correct if you're not dealing with inequalities
OpenStudy (anonymous):
2y=5x+10 and -2y=-5x-10 is correct
OpenStudy (caitlinnr14):
oh ok @.Sam.
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OpenStudy (littlebird):
A negative divided by a negative makes a positive
OpenStudy (anonymous):
those are both correct
OpenStudy (caitlinnr14):
oh sry thx i made a mistake @Littlebird
sam (.sam.):
Divide 2 to both sides
\[y=\frac{5}{2}x+5\]
\[y=mx+b\]
m is slope, so what is slope?
OpenStudy (caitlinnr14):
5?
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sam (.sam.):
Careful,
\[y=(\frac{5}{2})x+5\]
OpenStudy (caitlinnr14):
ohhhhhh okkk
OpenStudy (caitlinnr14):
I got it noe thank yo so much i guess i get confused at the part where you convert it to y=mx+b
sam (.sam.):
Oh its simple its just direct conversion :)
OpenStudy (caitlinnr14):
thank you
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