lexyyh lexyyh
  • 17-03-2015
  • Mathematics
Answered

What is the slope-intercept form of the function that contains the points (3, 1) and (2, 9)?

y = x +



Answer :

konrad509
konrad509 konrad509
  • 17-03-2015
[tex]y=mx+b\\\\ m=\dfrac{y_2-y_1}{x_2-x_1}\\ m=\dfrac{9-1}{2-3}\\ m=\dfrac{8}{-1}\\ m=-8\\\\ 1=-8\cdot3+b\\ 1=-24+b\\ b=25\\\\ \boxed{y=-8x+25}[/tex]
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