Question Paper
Class / Subject: Class 10 (ICSE) · Mathematics
Chapter: Chapter 14 — Chapter 14: Equation of a Line
Time Allowed: 32 minutes
Max Marks: 16
1. What does 'm' represent in y=mx+c? [1]
(A) Slope
(B) Y-intercept
(C) X-intercept
(D) Nothing specific
2. What does 'c' represent in y=mx+c? [1]
(A) Y-intercept
(B) Slope
(C) X-intercept
(D) Nothing specific
3. How is slope calculated? [1]
(A) (y₂-y₁)/(x₂-x₁)
(B) (x₂-x₁)/(y₂-y₁)
(C) y₂+y₁
(D) x₂+x₁
4. When does the y-intercept occur? [1]
(A) When x=0
(B) When y=0
(C) When x=y
(D) Never
5. What is the point-slope form? [1]
(A) y-y₁=m(x-x₁)
(B) y=mx+c only
(C) x-x₁=m(y-y₁)
(D) y+y₁=m(x+x₁)
6. What is the slope of a line through (1,2) and (3,6)? [1]
(A) 2
(B) 4
(C) 8
(D) 1
7. Why is the equation of a line important? [1]
(A) Fundamental for coordinate geometry
(B) No reason
(C) It's not useful
(D) Only for tests
8. What does a linear equation describe? [1]
(A) A straight line relationship
(B) A curved relationship
(C) No relationship
(D) Only a single point
9. What does 'm' represent in y=mx+c? [1]
(A) Slope
(B) Y-intercept
(C) X-intercept
(D) Nothing specific
10. What does 'c' represent in y=mx+c? [1]
(A) Y-intercept
(B) Slope
(C) X-intercept
(D) Nothing specific
11. How is slope calculated? [1]
(A) (y₂-y₁)/(x₂-x₁)
(B) (x₂-x₁)/(y₂-y₁)
(C) y₂+y₁
(D) x₂+x₁
12. When does the y-intercept occur? [1]
(A) When x=0
(B) When y=0
(C) When x=y
(D) Never
13. What is the point-slope form? [1]
(A) y-y₁=m(x-x₁)
(B) y=mx+c only
(C) x-x₁=m(y-y₁)
(D) y+y₁=m(x+x₁)
14. What is the slope of a line through (1,2) and (3,6)? [1]
(A) 2
(B) 4
(C) 8
(D) 1
15. Why is the equation of a line important? [1]
(A) Fundamental for coordinate geometry
(B) No reason
(C) It's not useful
(D) Only for tests
16. What does a linear equation describe? [1]
(A) A straight line relationship
(B) A curved relationship
(C) No relationship
(D) Only a single point