Hi

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. 

line with  m= -8, passing thru  Pt(3,5)

 y = -8x + b   |using ordered pair Pt(3,5) to solve for b

 5 = -8*3 + b

 29 = b

 y = -8x + 29



 

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