Expressions

Work out the value of the expression: X + 9 when X = 5

• 12

• 14

• 13

• 16

Work out the value of the expression: f - 2g when f = 12 and g = 5

• 50

• 5

• 10

• 2

• 10

• 30

• 12

• 18

Write an algebraic expression for the phrase 'the sum of a number and 5'.

• 5x

• x * 5

• x + 5

• x - 5

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."

The table shown below represents the number of hours that Mike practiced his guitar each day. Which expression represents the total amount of time that Mike practiced his guitar?

• 10x

• 7x + 3

• 8x + 3

• none of the above

• 15

• 12

• 18

• 21

Translate the phrase into an algebraic expression: "Seven less than twice a number."

• 354

• 60

• 12

• 19

Translate the phrase 'twice a number increased by 3' into an algebraic expression.

• 2x + 3

• 3x + 2

• 3x / 2

• 2x - 3