kay1114
kay1114 kay1114
  • 10-11-2018
  • Mathematics
contestada

What are the x and y intercepts of the line y=-7x+3

Respuesta :

gmany
gmany gmany
  • 10-11-2018

The slope-intercept form: y = mx + b

m - slope

b - y-intercept

We have y = -7x + 3

m = -7

b = 3 → y-intercept

x-intercept (put y = 0 and solve for x).

-7x + 3 = 0    subtract 3 from both sides

-7x = -3      divide both sides by (-7)

x = 3/7

Answer: y-intercept = 3 and x-intercept = 3/7

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