jordanr230367 jordanr230367
  • 11-09-2019
  • Mathematics
contestada

A line crosses the y-axis at (0,4) and has a slope of -2. Find an equation for this line.

Respuesta :

ShreedharJagtap
ShreedharJagtap ShreedharJagtap
  • 11-09-2019

Answer:

2x - y - 4 = 0

Step-by-step explanation:

Here, (x1,y1) = (0,4) and m = -2

Point-slope form of the equation of a line is

y - y1 = m(x - x1)

So,

y - 4 = -2(x - 0)

y - 4 = -2x

2x - y - 4 = 0 is the equation of the line.

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