Page 220 - Maths Skills - 8

218 Maths

(iii) What is the speed between 10:40 a.m. to 10:50 a.m.?

(iv) What is the average speed of the car? [Hint: Average speed = Total distance travelled/total time taken]
3. Read the following distance-time graph of the car and find

(i) Distance travelled from C to E.
(ii) Speed of the car between 20 – 40 seconds.

(iii) When is the speed of the car zero?

ASSESSMENT TIME

COMPETENCY BASED QUESTIONS B. Fill in the Blanks

A. Multiple-Choice Questions 1. The signs of a coordinate in II quadrant are
1. The x-coordinate of an ordered pair is called: ___________.
(i) ordinate (ii) abscissa 2. The ordered pair of origin ‘O’ is written as
___________.
(iii) intercept (iv) origin 3. The coordinate T (–3, –5) lies in ___________
2. A linear function is denoted by: quadrant.
(i) x = y + 2 (ii) 2 = b – a 4. The horizontal axis of a Cartesian plane is called

(iii) a = cx + yb (iv) y = mx + c ___________.
3. The coordinate P(3, 0) lies on: 5. The coordinate L (0, –7) lies in/on __________ .
(i) origin (ii) x-axis C. Write ‘T’ for true and ‘F’ for false statements
(iii) y-axis (iv) none of these 1. The origin of the axes system lies in I quadrant.

4. The coordinate (–2, 3) lies in:
(i) I quadrant (ii) II quadrant
(iii) III quadrant (iv) IVquadrant 2. The linear graphs are represented as lines.

5. The Cartesian plane has: 3. The quadrants of the Cartesian plane are named
(i) 2 quadrants (ii) 3 quadrants in clockwise direction.
(iii) 4 quadrants (iv) 5 quadrants