The y-intercept of the line y + y1 = m(x – x1) is …..
(a) – (y1 + mx1)
(b) y1 – mx1
(c) [(y1 + mx1)/m]
(d) of these
The correct option (a) – (y1 + mx1)
Explanation:
line: y + y1 = m(x – x1)
∴ mx – y – (mx1 + y1) = 0
∴ y intercept = – (c/b) = [(mx1 + y1)/(– 1)] = – (mx1 + y1)
