rak27949
rak27949 rak27949
  • 24-09-2020
  • Mathematics
contestada

write an equation of a line with slope -1 that contains point P(2,-4)

Respuesta :

rangwalah4
rangwalah4 rangwalah4
  • 24-09-2020

Explanation:

The slope-intercept form of a line is:

y=mx+b

where:

m is the slope of the line

b is the y-intercept

We are given that m=4 and the line passes through (7,2).

∴2=4⋅7+b

2=28+b

b=−26

Therefore the equation of the line is:

y=4x−26

graph{y=4x-26 [-1.254, 11.23, -2.92, 3.323]}

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