Algebraic Expressions Quiz

Translate the verbal phrase 'the sum of a number and 5' into an algebraic expression.

• x + 5

• x * 5

• 5x

• x - 5

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

• 2x * 3

• 3 - 2x

• 2x - 3

• 2x + 3

Translate the verbal phrase 'the difference between 8 and a number' into an algebraic expression.

• 8 * x

• 8 + x

• 8 / x

• 8 - x

Identify the variables and constants in the expression 3x + 7.

• 3, 7

• x, y

• 2x, 5

• x, 7

Identify the variables and constants in the expression 2y - 4.

• 2y, 4

• x, -3

• y, 0

• y, -4

Identify the variables and constants in the expression 5z + 9.

• Variables: a, Constants: 4, 6

• Variables: y, Constants: 2, 8

• Variables: z, Constants: 5, 9

• Variables: x, Constants: 3, 7

Write an algebraic expression to represent the situation: 'If a number is increased by 10, the result is 25.'

• x * 10 = 25

• x - 10 = 25

• x / 10 = 25

• x + 10 = 25

Write an algebraic expression to represent the situation: '5 times a number is 35.'

• 5x = 35

• 5x / 35

• 5x - 35

• 5x + 35

Evaluate the expression 4x - 3 for x = 5.

• 20

• 12

• 8

• 17

Evaluate the expression 2y + 6 for y = 8.

• 14

• 22

• 16

• 30