Singhskkundlas77 Singhskkundlas77
  • 12-06-2020
  • Mathematics
contestada

In slope-intercept form, what is the equation of the line passing through the points (2,13)and (5,22)

Respuesta :

altavistard
altavistard altavistard
  • 16-06-2020

Answer:

y = 3x + 7

Step-by-step explanation:

As we move from (2, 13) to (5, 22), x (the "run") increases by 3 and y (the "rise") increases by 9.  Thus, the slope, m, must be m = rise / run = 9/3, or 3.

Then we have y = 3x + b and must find b.  Subbing 2 for x and 13 for y, we get

13 = 3(2) + b, so that b must be 7.

The desired equation is y = 3x + 7.

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