Analysing Graphs of Linear Relations

Lesson 9.1

Terms1. Relationship

Terms1. Relationship

Is a pattern formed by two sets of numbers

2. Table of values

2. Table of values

- is a chart showing two sets of related numbers

3. Expression

3. Expression

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

4. Equation

4. Equation- A mathemtical statement ith two expressions

that have the same value and are separated by an equals sign

Eg. 2t-4= 10

4. Linear relation

4. Linear relationA pattern made by a set of points that lie in a

straight line

5. Variable

5. Variablea letter that represents an unknown number

Eg in 3a – 5, a is the variable

6. Formula

6. Formulaa mathematical statement that represents the

relationship between specific quantities.

D=M/V

7.