vazquezdamian0oysweh
vazquezdamian0oysweh vazquezdamian0oysweh
  • 11-01-2018
  • Mathematics
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15 POINTS!

What is the equation of this line in standard form?

8x−7y=−25
8x−9y=−23
8x−9y=23
9x−8y=23

15 POINTS What is the equation of this line in standard form 8x7y25 8x9y23 8x9y23 9x8y23 class=

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kwpleaderijfjakj
kwpleaderijfjakj kwpleaderijfjakj
  • 11-01-2018
8x - 9y = -23 just plug in the points
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Аноним Аноним
  • 11-01-2018
slope of the line  = 4 / 4.5  = 8/9
and it passes through the point (-4.-1) so we have

y - -1 = 8/9)x - -4)

y + 1 = 8/9 x +  32/9

* through by 9:-

9y + 9 = 8x + 32

9y = 8x + 32 - 9

8x - 9y =  -32 + 9

8x - 9y = -23  is ur answer.
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