Algebraic Expressions Quiz

Which expression is equivalent to 4(3 + x)?

• 12 + x

• 7 + x

• 12 + 4x

• 12x

What does xy + 1 mean?

• Add 1 to y, then multiply by x.

• Multiply x and y by 1.

• Add x to y, then add 1.

• Multiply x by y, then add 1.

There are m boys and n girls in a parade. Each person carried 2 balloons. Which of the following expression represents the total number of balloons that were carried in the parade?

• 2(m + n)

• 2 + (m + n)

• 2m + n

• m + 2n

• 6

• -6

• -3

• 2