## Grade 8 Maths Introduction to Graphs Multiple Choice Questions (MCQs)

1. **The coordinate of A in the adjacent graph is:**

(a) (-7, 3)

(b) (7, -7)

(c) (-6, -1)

(d) (2, -3)

2. **The coordinate of B in the adjacent graph is:**

(a) (-7, 3)

(b) (7, -7)

(c) (-6, -1)

(d) (2, -3)

3. **The coordinate of C in the adjacent graph is:**

(a) (-7, 3)

(b) (7, -7)

(c) (-6, -1)

(d) (2, -3)

4. **The coordinate of D in the adjacent graph is:**

(a) (-7, 3)

(b) (7, -7)

(c) (-6, -1)

(d) (2, -3)

5. **The coordinate of E in the above graph is:**

(a) (9, -3)

(b) (-4, 2)

(c) (-3, -4)

(d) (-7, 9)

6. **If y â€“ coordinate of a point is zero, then this point always lies:**

(a) I quadrant

(b) II quadrant

(c) x-axis

(d) y-axis

7. **If x â€“ coordinate of a point is zero, then this point always lies:**

(a) I quadrant

(b) II quadrant

(c) x-axis

(d) y-axis

8. **The point (-4, -3) means:**

(a) x = -4, y = -3

(b) x = -3, y = -4

(c) x = 4, y = 3

(d) None of these

9. **On joining points (0, 0), (0, 2), (2, 2) and (2, 0) we obtain a:**

(a) Square

(b) Rectangle

(c) Rhombus

(d) Parallelogram

10. **Point (-2, 3) lies in the:**

(a) I quadrant

(b) II quadrant

(c) III quadrant

(d) IV quadrant

11. **Point (0, -2) lies:**

(a) on the x-axis

(b) in the II quadrant

(c) on the y-axis

(d) in the IV quadrant

12.** Abscissa of the all the points on x-axis is:**

(a) 0

(b) 1

(c) -1

(d) any number

13. **Ordinate of the all the points on x-axis is**

(a) 0

(b) 1

(c) -1

(d) any number

14. **Ordinate of the all the points on y-axis is**

(a) 0

(b) 1

(c) -1

(d) any number.

15. **The point whose ordinate is 4 and which lies on y-axis is:**

(a) (4, 0)

(b) (0, 4)

(c) (1, 4)

(d) (4, 2)

16. **The perpendicular distance of the point P(3, 4) from the y-axis is:**

(a) 3

(b) 4

(c) 5

(d) 7

17. **The number of coordinate axis is:**

(a) 1

(b) 2

(c) 4

(d) 3

18. **The y-axis is a:**

(a) horizontal line

(b) vertical line

(c) oblique line

(d) vertical seqment

19. **The abscissa of the point (-3, -2) is**

(a) -3

(b) -2

(c) -5

(d) -1

20.** Y-coordinate is also called:**

(a) Abscissa

(b) Ordinate

(c) y-axis

(d) None of these

### Class 8 Maths Introduction to Graphs Fill In The Blanks

1. The point where X-axis and Y-axis meet is called â€¦â€¦â€¦â€¦â€¦â€¦.. .

2. Who is considered to be father of cartesian system â€¦â€¦â€¦â€¦â€¦.. .

3. The X-coordinate of the point A (3, 7) is â€¦â€¦â€¦â€¦â€¦â€¦ .

4. Perpendicular distance of the point (2, 3) from X-axis is â€¦â€¦â€¦â€¦â€¦.. .

5. The Y-coordinate of the point B (4, 1) is â€¦â€¦â€¦â€¦â€¦â€¦â€¦ .

6. Perpendicular distance of the point (5, 2) from Y-axis is â€¦â€¦â€¦â€¦â€¦â€¦ .

7. Point (-6, 4) lies in the â€¦â€¦â€¦â€¦â€¦ quadrant.

8. Point (0,4) lies in the â€¦â€¦â€¦â€¦â€¦â€¦ quadrant.

9. Point (5,0) lies in the â€¦â€¦â€¦â€¦â€¦â€¦. quadrant.

10. Abscissa of all the points on y-axis is â€¦â€¦â€¦â€¦â€¦â€¦. .

**From the given graph, locate the position of points A, B, C, D and E.**

**For an experiment in science, Vikram and Rohit grew one plant each under similar lab conditions. Their heights were measured at the end of each week for 5 weeks, the result is shown by the follow:**

1. Write height of plant A and plant B after

(a) 2 weeks

(b) 5 weeks.

2. Write difference of height of the two plants after 5 weeks.

3. During which week plant A grew most?

4. Druing which week plant B grew least?

**The quantity of petrol filled in a car and the cost of petrol are given in the following table:**

1. Draw the graph of above data find the cost 12 l of petrol using graph. How much petrol can be purchased for â€šÂ¹ 800?