Hi

graph the line containing the given pair of points and find the slope

Using the point-slope formula, 

(-1,7) and 

(2,4)   m = (7-4) / (-1-2) = 3/-3 = -1

y = -x + b  |Using ordered pair Pt(2,4) to find b

4 = -2 + b

 6 = b    |  y = -x + 6  OR standard form:  x+ y = 6



 

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