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EXOEXOEXO
 one year ago
what is the equation of the line that passes through the points (3,4) and (1,5)
EXOEXOEXO
 one year ago
what is the equation of the line that passes through the points (3,4) and (1,5)

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dan815
 one year ago
Best ResponseYou've already chosen the best response.0slope of the line = \[\frac{y2y1}{x2x1}\]

dan815
 one year ago
Best ResponseYou've already chosen the best response.0let m be the slope of a line \[m=\frac{y2y1}{x2x1}\] y=mx < is that line that goes through the origin you can displace that line by some y value and x so that its not going through the origin with that slope but its going through one of your points

EXOEXOEXO
 one year ago
Best ResponseYou've already chosen the best response.0you can move the line by having a y intercept with the same slope?

dan815
 one year ago
Best ResponseYou've already chosen the best response.0so you're saying we should find this point dw:1442638180453:dw

dan815
 one year ago
Best ResponseYou've already chosen the best response.0lets say that value is b

dan815
 one year ago
Best ResponseYou've already chosen the best response.0y=mx+b shifts the y=mx by b units up as we are adding b to every value on the line now

dan815
 one year ago
Best ResponseYou've already chosen the best response.0having a line equation means your point satisfies the equation you have for your line

dan815
 one year ago
Best ResponseYou've already chosen the best response.0y=mx+b so when you plug in your point (3,4) oor when you plug in your point (1,5) it satisfies the equation y=mx+b

dan815
 one year ago
Best ResponseYou've already chosen the best response.0so when you plug in 3,4 4=m*3+b when you plug in 1,5 5=m*1+b

EXOEXOEXO
 one year ago
Best ResponseYou've already chosen the best response.04=3/4+b and 5=1/4+b?

madhu.mukherjee.946
 one year ago
Best ResponseYou've already chosen the best response.0find the slope by the formula y2y1/x2x1

madhu.mukherjee.946
 one year ago
Best ResponseYou've already chosen the best response.054/13=1/4

madhu.mukherjee.946
 one year ago
Best ResponseYou've already chosen the best response.0now equation of the line yy1=m(xx1) y4=1/4 (x3)

madhu.mukherjee.946
 one year ago
Best ResponseYou've already chosen the best response.0@EXOEXOEXO
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