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Write the equation of the line (in slope-intercept form) that passes through the points (1, 6) and (2, 8).

 Mar 14, 2021
 #1
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Find slope   = (y1-y2)/(x1-x2)   =   -2/-1 = 2

 

y = 2x + b    sub in one of the points to calculate b

6 = 2(1) + b

b = 4

 

 

y = 2x+ 4

 Mar 14, 2021

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