Find the equation of the line that contains the points (2,1) and (6,-3). Write the equation in the form y=mx+b and identify m and b
+36915 Find the slope (y1-y2) / (x1-x2) = -1
y = -1 (x ) + b put in one of the points to calculate 'b'
1 = -1(2) + b
1 = -2 + b
b = 3
y = -x +3
