Question 6021: Determine a symbolic rule of the form y = mx + b for the function.
X Y
6 26
4 18
10 42
2 10 Answer by Abbey(339) (Show Source):
You can put this solution on YOUR website! pick two points to find the slope:
(2,10) and (4,18)
and use(y-y1)/(x-x1)
(18-10)/(4-2)
8/2 = 4 = slope
then pick a pair of points to plug into the equation to solve for b:
y=mx+b
10=4*2+b
10=8+b
b=2
so the equation is
y=4x+2
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