Hi,

Using the slope-intercept general form of an equation of a line:

y = mx + b where m is th eslope and b the y-intercept

points (2,6) and (8,9) on the line

slope is = (9-6)/(8-2) = 3/6 = 1/2

y = (1/2)x + b  Using (2,6) to solve for b

6 = 1 + b

5 = b



y = (1/2)x + 5  the equation of the line



 

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