Hi

Find EQ, in slope-intercept form, of the line that contains the points (-1, 8) and (4, 3)?

Using the point-slope formula, 

(-1, 8) 

 (4, 3)  m = 5/ -5 = -1

Using the standard slope-intercept form for an equation of a line y = mx + b  where m is the slope and b the y-intercept.  

  y = -x + b

  8 = 1 + b

  7 = b

 y = -x  + 7



 

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