horseplay120 horseplay120
  • 03-12-2020
  • Mathematics
contestada

A line passes through( 10, 5) and (13, -4) . Write the equation of the line in standard form

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StudentEEUSA
StudentEEUSA StudentEEUSA
  • 06-12-2020

Answer:

y = -3x - 25

Step-by-step explanation:

Find the slope:

m = ( -4 - 5 ) / ( 13 - 10 )

m = -9 / 3 = -3

pick one point and substitute it in the standard equation

y - y1 = m ( x - x1 )

y - 5 = -3 ( x - 10 )

y - 5 = -3x - 30

y = -3x - 25

m = -3,  b = -25

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