Distance between two parallel lines 2x – y + 7 = 0 & 2x – y + 5 = 0 is
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Distance between two parallel lines is given by difference in y-intercept of the two lines.
- For general equation of straight line y=mx+c.
- c is known as y-intercept.
Changing 2x-y+7=0 into form of general equation:
2x-y+7=0
y=2x+7
y-intercept = 7
Changing 2x – y + 5 = 0 into form of general equation:
2x – y + 5 = 0
y=2x+5
y-intercept = 5
Distance = 7-5 = 2 units.
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