5.2 Writing Expressions

Which of the following is a keyword for multiplication?

• Sum

• Times

• Plus

• Minus

Which of the following is a keyword for addition?

• Times

• Product

• Sum

• Difference

How would you express "a number y minus 75" as an algebraic expression?

• y + 75

• 75 - y

• y - 75

• 75y

What does the phrase "more than" indicate in an algebraic expression?

• Subtraction

• Multiplication

• Division

• Addition

What does the word "minus" mean in an algebraic expression?

• Addition

• Subtraction

• Multiplication

• Division

If you have the expression x ÷ 2, what does it mean?

• The quotient of 2 and x

• The quotient of x and 2

• x plus 2

• 2 minus x

Which of the following is the correct expression for "the quotient of a number x and 2"?

• 2 ÷ x

• x ÷ 2

• x + 2

• 2 - x

What is the algebraic expression for "3 less than a number z"?

• z + 3

• 3 - z

• z - 3

• 3z

How do you express "5 times a number y" in algebraic form?

• 5 + y

• 5 ÷ y

• 5y

• y - 5

How do you write "100 decreased by a number k" as an algebraic expression?

• 100 + k

• k - 100

• 100 - k

• 100 ÷ k