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AGummiBear55
 3 years ago
How do I put this into slope intercept form?
(2, 120) (4, 240)
120240/24
=60
AGummiBear55
 3 years ago
How do I put this into slope intercept form? (2, 120) (4, 240) 120240/24 =60

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campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.2well 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.

AGummiBear55
 3 years ago
Best ResponseYou've already chosen the best response.0I did that and this is what I get: y=mx+b 120=60(2)+b 120=120+b 0=b ?? I'm just confused.

campbell_st
 3 years ago
Best ResponseYou've already chosen the best response.2thats correct so whats th equation of the line..?

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

AGummiBear55
 3 years ago
Best ResponseYou've already chosen the best response.0??? I don't know... so... y = 60x + 0 ????

AGummiBear55
 3 years ago
Best ResponseYou've already chosen the best response.0or is it just y=60x ??? Thank you for your help, by the way, :)

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