paintcrzy paintcrzy
  • 02-08-2020
  • Mathematics
contestada

What is an equation of the line that is parallel to y=3x-8 and passes through the point (4, -5)

Respuesta :

leena
leena leena
  • 02-08-2020

Hi there! :)

Answer:

y = 3x - 17.

Step-by-step explanation:

To write an equation parallel to y = 3x - 8, we need the slope as well as the coordinates of a point to solve for the "b" value in y = mx + b:

A line parallel to y = 3x - 8 contains the same slope, or m = 3.

Plug in the coordinates in (4, -5) into "x" and "y" in the equation y = mx + b respectively:

-5 = 3(4) + b

-5 = 12 + b

Simplify:

-5 - 12 = b

b = -17.

Rewrite the equation:

y = 3x - 17.

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