NZ Level 4
Components in an expression

## Interactive practice questions

Which of the following words refers to a symbol used to represent an unknown number?

Integer

A

Exponent

B

Variable

C

Coefficient

D

Integer

A

Exponent

B

Variable

C

Coefficient

D
Easy
Less than a minute
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What does the expression $4x$4x mean?

Consider the expression $8x$8x.

The expression $\text{8 + 5}$8 + 5 represents the number of lemons and pears in Derek's shopping trolley.

### Outcomes

#### NA4-7

Form and solve simple linear equations