1. Analysing Graphs of Linear Relations Lesson 9.1

2. Terms  Relationship

3. Terms  Relationship Is a pattern formed by two sets of numbers

4. 2. Table of values

5. - is a chart showing two sets of related numbers

6. 3. Expression

7. Any single number, single variable or combinations of operations ( +, -, X, /) involving numbers and variables. Does not include an equals sign eg – 5, 5a, x + 9, 2y-7

8. 4. Equation

9.  Equation - A mathemtical statement ith two expressions that have the same value and are separated by an equals sign Eg. 2t-4= 10

10. 4. Linear relation

11. A pattern made by a set of points that lie in a straight line

13. 5. Variable

14.  Variable a letter that represents an unknown number Eg in 3a – 5, a is the variable

15. 6. Formula

16.  Formula a mathematical statement that represents the relationship between specific quantities. D=M/V

17. 7.