What is the value of B if the line L passes two points (- 1, - 1) (2,5) and the point (1006, b) is on l
Let y = KX + a
X = - 1, y = - 1; X = 2, y = 5
-1=-k+a
5=2k+a
The solution is k = 2, a = 1
∴y=2x+1
When x = 1006
b=y=2×1006+1=2013
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