gaby153 gaby153
  • 25-05-2018
  • Mathematics
contestada

The points (4,f) and (3,1) fall on a line with a slope of 8. What is the value of f?

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altavistard
altavistard altavistard
  • 25-05-2018
                                                   rise        f-1
Try out the slope formula:  m = -------- = --------- =  f-1 = 8 (8 is given)
                                                    run        4-3

Solving for f, f = 8+1 = 9.
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