bro002760
bro002760 bro002760
  • 15-01-2019
  • Mathematics
contestada

Do the points P(1,-3), Q(2,1) and R(2.5,3) lie on the same straight line

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Аноним Аноним
  • 15-01-2019

Answer:

Yes.

Step-by-step explanation:

If they do then the slope of PQ will equal that of QR.

The slope of PQ = (y2-y1)/(x2-x1)

= (1 - (-3)) / (2-1)  = 4.

The slope of QR  = (3-1)/(2.5-2)

= 2 / 0.5 = 4.

So they are on the same line.

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harpazo
harpazo harpazo
  • 15-01-2019

Answer: Yes because slopes are equal as picture tries to show.




Ver imagen harpazo
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