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Mathematics 15 Online
OpenStudy (anonymous):

Does this graph show a proportional relationship? Why or why not?

OpenStudy (trojanpoem):

You aren't waiting for help ,Are you ?

OpenStudy (anonymous):

|dw:1449266939147:dw|

OpenStudy (trojanpoem):

@helpxd , He thinks we can see his "Ghost graph".

OpenStudy (anonymous):

yes I am heres the graph

OpenStudy (anonymous):

XD

OpenStudy (anonymous):

btw, I am a girl so get your facts straight

rebeccaxhawaii (rebeccaxhawaii):

yes it is because the emails keep increasing at the same pace

OpenStudy (anonymous):

how do I do this Write the equation of the line containing the point (3, –2) and having a slope of 2 in slope-intercept form.

OpenStudy (anonymous):

@rebeccaxhawaii

OpenStudy (trojanpoem):

y = mx+ b Get a couple of points from the graph: (0,4) (1,5) slope = dy/dx = 6-4/2-0 = 2/2 =1 (slope = m) y = x+b 4 = b y = x + 4 So y doesn't vary directly with x

OpenStudy (trojanpoem):

For the second question use the same technique y = mx +b y = 2x + b -2 = 6 +b b = -8 y = 2x -8

OpenStudy (anonymous):

thanks

OpenStudy (trojanpoem):

You're always welcome.

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