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Jellieroll2000
Jellieroll2000 Jellieroll2000
  • 20-11-2014
  • Mathematics
Answered

What is the slope-intercept form of the function described by this table?



x 1 2 3 4

y 2 7 12 17






y = x +


Verified Answer :

ollieboyne
ollieboyne ollieboyne
  • 20-11-2014

For every change of x by 1, y increases by 5.

So the gradient of the line is 5.

To find the y-intercept:

y = mx + c
2 = 5(1) + c
2 = 5 + c
c = -3

So the equation of the line is y = 5x - 3

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