t0xicfailurez t0xicfailurez
  • 12-11-2021
  • Mathematics
contestada

Use point-slope form to write the equation of a line that passes through the point (-1, -7) with slope 3 4 - -​

Respuesta :

lor067ewp lor067ewp
  • 12-11-2021

Answer:

y = 3/4x - 6 1/4

Step-by-step explanation:

I hope that the slope 3 4 - - means 3/4

Slope = 3/4

Using slope = 3/4 and the point (-1, -7) substitute into y = mx + b and solve for "b"

y = mx + b

-7 = 3/4(-1) + b

-7 = -3/4 + b

-7 + 3/4 = b             3/4 as a decimal = .75

-7 + .75 = b

-6.25 = b

The equation of the line is y = 3/4x - 6.25  or y = 3/4x - 6 1/4

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