Unit 2 Topic 1

A number used to multiply a variable.

• equation

• constant

• 5

• coefficient

A number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.

• variable

• constant

• coefficient

• equation

The "output" value of a function.

• x

• y

• dependent variable

• independent variable

An "input" value of a function.

• x

• y

• independent variable

• dependent variable

What is between two values or points.

• input

• output

• variable

• interval

The operation that reverses the effect of another operation.

• inverse operations

• opposites

• division

• surgery

Examples of inverse operations.

• addition and multiplication

• addition and subtraction

• subtraction and division

• multiplication and division

An equation that makes a straight line when it is graphed.

• algebraic expression

• algebraic equation

• linear expression

• linear equation

An equation that is not a straight line when it is graphed.

• nonlinear equation

• linear equation

• linear expression

• nonlinear expression

Example of linear equation.

• y=x

• y=x²

• y=x³

• y=mx+b