Slope of a Line
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Find the slope of the straight line which passes through the point (2,-3) and (7, 7).Marks:1
Find the slope of the straight line which makes an angle of 135 with +ve direction of X-axis.Marks:1
What is the relation between the slopes of two lines when they are
(i) Parallel (ii) PerpendicularMarks:1
Let m1 and m2 be the slopes of the two given lines.
(i) When they are parallel, then m1 = m2.
(ii) When they are perpendicular, then m1m2= -1.
What is the slope of a vertical line and a horizontal line?Marks:1
The slope (m) of a horizontal line is 0 and that of a vertical line is undefined.
If the angle between two lines is /4 and the slope of one of
the lines is , find the slope of the other line.Marks:3