Straight Lines — Practice Quiz
CBSE · Class 11 · Mathematics
Try a 4-question quiz on Straight Lines for CBSE Class 11 Mathematics: tap an answer to check it and see why. 206 questions in the full chapter test.
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Quick Quiz: Straight Lines
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What is the slope of a line passing through points (2, 3) and (5, 9)?
What is the slope of a horizontal line?
What is the slope of a vertical line?
When are two lines parallel?
Sample Questions
When are two lines perpendicular?
Show answer
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?
Show answer
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?
Show answer
x = 3
A vertical line has a constant x-value across all y-coordinates.
What is the point-slope form of a line?
Show answer
y - y1 = m(x - x1)
Point-slope form uses a point and slope to represent a line's equation.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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