New Zealand
Level 7 - NCEA Level 2

# Algebraic Expressions

## Interactive practice questions

Choose the best answer for each of the questions below.

a

What is a variable?

A symbol that represents a value, which is unknown or arbitrary.

A

A term that does not contain numbers.

B

A non-numerical symbol.

C

A letter of the alphabet.

D

A symbol that represents a value, which is unknown or arbitrary.

A

A term that does not contain numbers.

B

A non-numerical symbol.

C

A letter of the alphabet.

D
b

What is a constant term?

The numerical factor of a term.

A

A term that does not contain numbers.

B

A term that does not contain variables.

C

The numerical power of a term.

D

The numerical factor of a term.

A

A term that does not contain numbers.

B

A term that does not contain variables.

C

The numerical power of a term.

D
Easy
Approx a minute

Which of the following best describes an algebraic expression?

Choose the best answer for each of the questions below.

Consider the following statement:

'By the commutative property, we can rewrite $x-4$x4 as $4-x$4x.'

### Outcomes

#### M7-6

Manipulate rational, exponential, and logarithmic algebraic expressions

#### 91261

Apply algebraic methods in solving problems