Straight Lines — Important Questions
ICSE · Class 11 · Mathematics
59 important questions from Straight Lines for ICSE Class 11 Mathematics, with answers. Includes multiple choice and true false questions.
Interactive on Super Tutor
Studying Straight Lines? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
Free trial, no card needed.
Learn better with visuals Super Tutor pairs illustrations like this with notes and quizzes for Straight Lines.
Important Questions from Straight Lines
Slope of line 2x − 3y + 6 = 0 is:
Show answer
2/3
Slope = −a/b = −2/(−3) = 2/3.
Slope of a line perpendicular to slope 3 is:
Show answer
−1/3
Perpendicular slope = −1/m = −1/3.
Equation of line with slope 2 and y-intercept 5:
Show answer
y = 2x + 5
Slope-intercept form: y = mx + c = 2x + 5.
Two parallel lines have slopes that are:
Show answer
Equal
Parallel lines: m₁ = m₂.
+55 more questions on Straight Lines (ICSE Class 11 Mathematics)
Practise AllFrequently Asked Questions
What are the important topics in Straight Lines for ICSE Class 11 Mathematics?
How many important questions are there in Straight Lines?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Straight Lines
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
For serious students
Get the full Straight Lines chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 11 Mathematics. Free to start, no card needed.