tasha7252 tasha7252
  • 02-11-2018
  • Mathematics
contestada

What is the slope intercept form for m=-7, through (-4,2)

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gmany
gmany gmany
  • 02-11-2018

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have m= -7. Substitute:

y = -7x + b

We have the point (-4, 2). Substitute the coordinates of the point to the equation:

2 = -7(-4) + b

2 = 28 + b     subtract 28 from both sides

-26 = b → b = -26

Answer: y = -7x - 26

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