SOLUTION: Which equation shows the line through(-1,4) that has a slope of-1 ?

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Question 389973: Which equation shows the line through(-1,4) that has a slope of-1 ?


Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


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 has a slope of -1

 y = (-1)*x + b  using ordered pair Pt(-1,4) to solve for b

 4 = -1*-1 + b

 3 = b

y = -x + 3