Straight Lines — Important Questions
Jammu & Kashmir Board · Class 11 · Mathematics
206 important questions from Straight Lines for Jammu & Kashmir Board Class 11 Mathematics, with answers. Includes multiple choice, multiple correct.
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Important Questions from Straight Lines
When are two lines perpendicular?
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When their slopes multiply to -1
Perpendicular lines have slopes that are negative reciprocals of each other.
What is the equation of a horizontal line at y = 4?
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y = 4
A horizontal line has a constant y-value across all x-coordinates.
What is the equation of a vertical line at x = 3?
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x = 3
A vertical line has a constant x-value across all y-coordinates.
What is the point-slope form of a line?
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y - y1 = m(x - x1)
Point-slope form uses a point and slope to represent a line's equation.
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