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20. Line L has a y-intercept of 2 and contains the points (a, a) and (2a, 12). If a is a positive constant, what is the slope of line L?

Respuesta :

mhanifa

Answer:

  • (12 - a)/a

Step-by-step explanation:

Given

  • Line L with
  • y-intercept = 3
  • Points (a, a) and (2a, 12)

The slope is

  • m = (y2 - y1)/(x2 - x1)
  • = (12 - a)/(2a - a)
  • = (12 - a)/a

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