Expressions and Parts of an Expression

Write an expression to represent 'five more than a number x'.

• 5 + x

• x * 5

• x + 5

• x - 5

Evaluate the expression 3x - 7 when x = 4.

• 8

• -1

• 12

• 5

Identify the coefficient in the expression 2y + 5.

• 7

• 3

• 5

• 2

What is the constant term in the expression 4z - 3?

• 4

• -3

• 7

• 0

If the expression is 6a + 2b - 3c, how many terms are there?

• 3

• 1

• 4

• 5

Evaluate the expression 2(x + 3) when x = 5.

• 18

• 16

• 14

• 20

Write an expression to represent 'twice the sum of a number x and 4'.

• 2 * (x - 4)

• 2 * (x + 2)

• 2 * (x * 4)

• 2 * (x + 4)

Identify the variable in the expression 8p - 2q.

• z

• p, q

• y

• x

What is the coefficient of y in the expression 5y + 3x - 2?

• 3

• 5

• 7

• -2

If the expression is 7m - 4n + 9p, how many variables are there?

• 2

• 1

• 3

• 4