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Analytical Geometry

Straight Lines

y = mx +c represents a line with slope ' m ' and y-intercept ' c '.

represents a line passing through and having slope ' m ' .

represents a line passing through and .

represents a line having ' a ' and ' b ' as x - intercept and y - intercept respectively,

that is , the line passes through ( a, 0) and ( 0, b) .

The perpendicular distance of ( h , k ) from the line ax + by +c = 0 is given by

Two lines with slopes and are parallel if = .

Two lines with slopes and are perpendicular if = - 1

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