Taylor0402
  • Taylor0402
What is the equation of the graphed line? A. y=-2x B. y=-1/2x C. y=1/2x D.y=2 x
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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Taylor0402
  • Taylor0402
://lms.k12.com/lms/content/progress/unit/gotoUnitList.xhtml;jsessionid=0F4721D2BB3400D44712E9212A5BA404.node1?selectedUnitId=84314&selectedUnitSeqNo=3&studentId=24803399814&courseId=501653&subcourseId=
Taylor0402
  • Taylor0402
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Nnesha
  • Nnesha
y=mx+b slope intercept form where m is slope and b is y-intercept if line increasing then slope would be `positive ` if line is decreasing then slope would be `negative` slope = rise over run (count how many units its going up from the y-intercept and then how many units to the right ) b(y-intercept) is a point where line intersect at `y-axis`

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Taylor0402
  • Taylor0402
so its a positive number right...this is just really confusing for me
Nnesha
  • Nnesha
right slope would be positive bec line is increasing
Taylor0402
  • Taylor0402
i just cant tell if the line is increasing or decreasing
Nnesha
  • Nnesha
heck your options are sure they are correct ?
Nnesha
  • Nnesha
check ** sorry not that word
Taylor0402
  • Taylor0402
yes that is what they gave me
Nnesha
  • Nnesha
then graph doesn't go with that options
Taylor0402
  • Taylor0402
i just can never tell hat way the slope is going how do i know it is going up or down...and after i figure that out i newere know which answer it is
Taylor0402
  • Taylor0402
if you had to pick the best answer what would it be
Nnesha
  • Nnesha
alright |dw:1444308980484:dw| if the line coming from 2nd quadrant to 4th then the line is decreasing
Nnesha
  • Nnesha
|dw:1444309061792:dw| if the line is coming from 3rd quadrant to 1st then line increasing
Taylor0402
  • Taylor0402
oh ok got it
Taylor0402
  • Taylor0402
so the number has to be a negative
Taylor0402
  • Taylor0402
so it would be either a or b
Nnesha
  • Nnesha
hmm why ?
Nnesha
  • Nnesha
so is the line increasing or decreasing in ur graph ?
Taylor0402
  • Taylor0402
it is decreasing from my graph and as you said towards the top that decreasing is negative
Nnesha
  • Nnesha
reread what i said :=)
Taylor0402
  • Taylor0402
now im confused :(
Nnesha
  • Nnesha
|dw:1444309368772:dw|if the line coming from 2nd quadrant to 4th then the line is decreasing
Nnesha
  • Nnesha
|dw:1444309392229:dw|if the line is coming from 3rd quadrant to 1st then line increasing
Taylor0402
  • Taylor0402
yes so the number would be a negitive right? =)
anonymous
  • anonymous
y = 1/6+0
Nnesha
  • Nnesha
|dw:1444309473751:dw| line is increasing or decreasing ?
Taylor0402
  • Taylor0402
OMG i am so sorry i put the wrong picture up and i didnt even notice it is this one
Nnesha
  • Nnesha
see i told you
Nnesha
  • Nnesha
\(\color{blue}{\text{Originally Posted by}}\) @Nnesha then graph doesn't go with that options \(\color{blue}{\text{End of Quote}}\)
Taylor0402
  • Taylor0402
that was from my last question...i am so sorry
Nnesha
  • Nnesha
it's okay.
Taylor0402
  • Taylor0402
i will get the other one for you right now...ugh i feel so stupid :(
Taylor0402
  • Taylor0402
1 Attachment
Taylor0402
  • Taylor0402
there it is...now i know this is the right one
Nnesha
  • Nnesha
|dw:1444309675527:dw| aw then yes line is decreasing slope would be negative
Nnesha
  • Nnesha
now find y-intercept y-intercept is a point where line intersect at y-axis
Taylor0402
  • Taylor0402
ok thats what i thought...now I feel smart again :)
Nnesha
  • Nnesha
hahah yes you are smart!
Taylor0402
  • Taylor0402
no i am really bad at math you are the smart one here...if you were not helping rn i would get this wrong
Taylor0402
  • Taylor0402
it would be -2 right
Nnesha
  • Nnesha
hmm slope is rise over run so how many units its going down from the yintercept
Taylor0402
  • Taylor0402
oops it would be -1/2
Nnesha
  • Nnesha
|dw:1444309931152:dw|
Taylor0402
  • Taylor0402
oh so thats what rise over run is
Taylor0402
  • Taylor0402
would it be 2
Nnesha
  • Nnesha
how is it 2 ? please explain how many units its going down from y-intercept ??
Taylor0402
  • Taylor0402
-4 but thats not an answer
Nnesha
  • Nnesha
|dw:1444310141486:dw|
Nnesha
  • Nnesha
right rise = -4 but we also need run so what's run
Nnesha
  • Nnesha
how many units it's going to the right side ?
Taylor0402
  • Taylor0402
ok i would say -2
Nnesha
  • Nnesha
right side where x values are positive so rise =-4 and run =2 slope = rise over run replace rise with -4 and run with 2 and then divide
Nnesha
  • Nnesha
\[\rm slope =\frac{ rise }{ run }=\frac{ -4 }{ 2 }\]
Taylor0402
  • Taylor0402
so the answer is A.-2
Nnesha
  • Nnesha
right :=)
Taylor0402
  • Taylor0402
OMG thank you sooooo much
Nnesha
  • Nnesha
np
Taylor0402
  • Taylor0402
if you ever need help on a question ( any subject but math) i would be glad to help
Taylor0402
  • Taylor0402
i am going to close this question but i have one more i need that i cant get
Taylor0402
  • Taylor0402
i will tag you in it
Nnesha
  • Nnesha
alright and yes sure i will tag u when i need help thanks ! :=)

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