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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following has a slope of –3 and a y-intercept of –5?

OpenStudy (anonymous):

OpenStudy (anonymous):

in slope intercept form (y=mx+b) m is the slope and b is the y-intercept

OpenStudy (anonymous):

the problem is already in slope int. form, so just find the m and b variables

OpenStudy (anonymous):

Correct your equation is in the form y=mx+b m is the slope and b is the y-intercept

OpenStudy (anonymous):

Check which one has the criteria that they asked you

OpenStudy (anonymous):

m=-3 and b=-5 So, y= -3x + 5

OpenStudy (anonymous):

sorry b=5 (positive)

OpenStudy (anonymous):

well look at the criteria! they asked you -3 for the slope and -5 as the y-intercept not 5

OpenStudy (anonymous):

look again and see which one has this criteria

OpenStudy (anonymous):

Sorry looked at it too quick...

OpenStudy (anonymous):

So, yea, it would be y = –3x + 5, right?

OpenStudy (anonymous):

not quite, it would be -5 because the y-intercept is -5 not +5

OpenStudy (anonymous):

Oh..they don't give me the chice of ' y= -3x + -5' or y= -3x - -5

OpenStudy (anonymous):

wouldn't the answer be y =-3x-5? m= -3/-5... -3 is your A (slope) and -5 is you B (y-intercept)

OpenStudy (anonymous):

well + -5 is the same as just -5

OpenStudy (anonymous):

what are you talking about? they give you y=-3x-5 which matches the criteria

OpenStudy (anonymous):

remember that +-=- they won't give you the form +- and never expect it lol you have to know that - times + is -

OpenStudy (anonymous):

@EulerM that was worded a little harshly. i think she was having problems because she didnt know that ading a negative was the same as subtracting.

OpenStudy (anonymous):

Oh crap. No I know that, I just I've been listening to panic at the disco and texting this entire time so I'm distracted xDD

OpenStudy (anonymous):

hehe you shouldn't do two things at the same time lol I wasn't really harsh hehe anyways glad she understood and that's the goal

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