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How do I put this into slope intercept form?
(2, 120) (4, 240)
120240/24
=60
 one year ago
 one year ago
How do I put this into slope intercept form? (2, 120) (4, 240) 120240/24 =60
 one year ago
 one year ago

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campbell_stBest ResponseYou've already chosen the best response.2
well thats the slope m the point slope form of a line is y = mx + b m = slope and b = yintercept to calculate b, choice a point say (2, 120) and substitute into y = 60x + b to find the value of b when you have done that you'll have your line in point slope form.
 one year ago

AGummiBear55Best ResponseYou've already chosen the best response.0
I did that and this is what I get: y=mx+b 120=60(2)+b 120=120+b 0=b ?? I'm just confused.
 one year ago

campbell_stBest ResponseYou've already chosen the best response.2
thats correct so whats th equation of the line..?
 one year ago

campbell_stBest ResponseYou've already chosen the best response.2
remember its y = mx + b you've found m = 60 and b = 0 just substitute for the equation
 one year ago

AGummiBear55Best ResponseYou've already chosen the best response.0
??? I don't know... so... y = 60x + 0 ????
 one year ago

AGummiBear55Best ResponseYou've already chosen the best response.0
or is it just y=60x ??? Thank you for your help, by the way, :)
 one year ago

campbell_stBest ResponseYou've already chosen the best response.2
thats it.... to check its correct use the other point (4, 240) subsitiute x = 4 and you should get y = 240
 one year ago
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