ishastar4 ishastar4
  • 19-07-2019
  • Mathematics
contestada

Complete the equations of the line through (-8, - 2) and (-4, 6)​

Respuesta :

altavistard
altavistard altavistard
  • 19-07-2019

Answer:

y = 2x + 14

Step-by-step explanation:

As we move from  (-8, - 2) to (-4, 6)​, x increases by 4 and y increases by 8.

Thus, the slope, m, equal to rise / run, is m = 8/4, or m = 2.

Use the slope-intercept form of the equatino of a straight line:

y = mx + b.  This becomes 6 = 2(-4) + b, or 6 = -8 + b.  Thus, b = 14, and the desired equation is y = 2x + 14.

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