PRACTICE QUESTIONS CLASS VIII: CHAPTER – 15_ INTRODUCTIONS TO GRAPH

QUESTIONS CLASS VIII  

PRACTICE CHAPTER – 15_ INTRODUCTIONS TO GRAPH

1. If y – coordinate of a point is zero, then this point always lies:

(a) I quadrant (b) II quadrant (c) x – axis (d) y – axis

2. If x – coordinate of a point is zero, then this point always lies:

(a) I quadrant (b) II quadrant (c) x – axis (d) y – axis

3. Point (–6, 4) lies in the quadrant:

(a) I (b) II (c) III (d) IV

4. The point (–4, –3) means:

(a) x = –4, y = –3 (b) x = –3, y = –4 (c) x = 4, y = 3 (d) None of these

5. Point (0, 4) lies on the:

(a) I quadrant (b) II quadrant (c) x – axis (d) y – axis

6. Point (5, 0) lies on the:

(a) I quadrant (b) II quadrant (c) x – axis (d) y – axis

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

(a) Square (b) Rectangle (c) Rhombus (d) Parallelogram

8. Point (–2, 3) lies in the:

(a) I quadrant (b) II quadrant (c) III quadrant (d) IV quadrant

9. Point (0, –2) lies:

(a) on the x-axis (b) in the II quadrant (c) on the y-axis (d) in the IV quadrant

10. Abscissa of the all the points on x – axis is:

(a) 0 (b) 1 (c) –1 (d) any number

11. Ordinate of the all the points on x – axis is:

(a) 0 (b) 1 (c) –1 (d) any number

12. Abscissa of the all the points on y – axis is:

(a) 0 (b) 1 (c) –1 (d) any number

13. Ordinate of the all the points on y – axis is:

(a) 0 (b) 1 (c) –1 (d) any number

14. 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)

15. The perpendicular distance of the point P(3,4) from the y – axis is:

(a) 3 (b) 4 (c) 5 (d) 7

2 or 3 marks

11. Draw the graph of y = 3x. From the graph, find the value of y when (i) x = 4 and (ii) x =5.

12. Consider the relation between the perimeter and the side of a square, given by P = 4a. Draw a graph to show this relation. From the graph, find the value of P when (i) a = 4 and (ii) a =5.

13. Consider the relation between the area and the side of a square, given by      A = x². Draw a graph to show this relation. From the graph, find the value of P when x = 4.

14. Simple interest on a certain sum is Rs. 40 per year then S = 40x, where x is the number of years. Draw a graph of this relation. From the graph, find the value of S when (i) x = 5 and (ii) x =6.

15. Plot the points (0, 2), (3, 0), (–3, 0) and (0, –2) in the graph sheet. Join these points. Name the figure obtained and find the area of the figure so obtained.

1.(c)	2.(d)	3. (b)	4. (a)	5. (d)
6. (c)	7. (a)	8. (b)	9. (c)	15. (a)
10. (a)	11.	12. (d)	13. (a)	14. (d)

Class 8 paper: click Here