Page 211 - Maths Skills - 8

13 Introduction to Graphsduction to Graphs
13
Intro

Learning Outcomes

In this chapter, you will learn about:
� Coordinate Geometry � Ordered Pair � Algebra and Graphs
� Cartesian System � Coordinates of a Point � Linear Graphs

Boot-Up (To Recapitulate Previous Knowledge of Concepts)

COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions
1. In algebra, letters may stand for
(i) unknown quantities (ii) known quantities (iii) fixed number (iv) none of above

2. By simplifying expression 10x + 8x, answer will be:
(i) 8x (ii) 10x (iii) 18x (iv) 2x

3. Two lines intersecting at a point, are called:
(i) parallel lines (ii) perpendicular lines (iii) intersecting lines (iv) none of above
4. Algebraic expression ‘subtract eight times of b from ten times of c” is:

(i) 2bc (ii) 8b – 10c (iii) 8c – 10b (iv) 10c – 8b

B. Fill in the Blanks
1. ______________ lines can be drawn passing through a given point.

2. Track of a railway line is an example of ______________ lines.

3. x = ______________ is the solution of the equation 4x + 4 = 4.

4. The equations x + 1 = 0 and 2x + 2 = 0 have ______________ solution.

C. Write ‘T’ for true and ‘F’ for false Statements

1. Ruler is sufficient to draw a diameter of the circle.

2. 0 is the solution of the equation x + 1 = 1

3. The origin is represented as ‘(0, 0)’