Algebraic expressions

An algebraic expression that represents half of 5 more than x is:

• 
• 
• 
• 

An algebraic expression for the cost in dollars of 3 drinks at $d each and p pies at $4 each is:

• dp + 3 × 4

• 4d + 3p

• 3d + 4p

• 3d × 4p

$600 is to be shared equally among n people. An expression for the amount one person will receive, in dollars, is:

• 600n

• 600 + n

• 
• 

When evaluating an expression, which operation should be considered last?

• powers

• brackets

• addition and subtraction

• multiplication and division

If a = 8, b = –4 and c = 5, the value of

• -4

• 4

• -18

• 36

An algebraic expression that represents 5 less than double x is:

• 2(x − 5)

• 5 − 2x

• 2(5 − x)

• 2x − 5

$200 is to be shared equally among n people. An expression for the amount one person will receive is:

• 
• 200 + n

• 200 – n

• 

When evaluating an expression, following the order of operations, which

operation should be considered first?

• multiplication and division

• addition and subtraction

• powers

• brackets

If a = 6, b = −3 and c = 2, the value of

• -6

• 6

• -12

• 18

Simplify the following.

−3bc x 2ab

• 6abbc

• 6ab²c

• -6ab²c

• ab²c