Math 7 Week 3

What is the algebraic translation of “twice as large as r”?

• r + 2

• 2 + r

• 2r

• 2 /r

Which of the following can be an English translation of x - 5y?

• the sum of x and 5 y

• the sum of y and 5x

• the difference of x and 5 y

• the difference of y and 5x

What is the algebraic expression of “a number more than 23”?

• n - 23

• 23 - n

• n + 23

• 23 + n

Which of the following can be an English translation of 5x?

• the product of 5 and x

• the sum of 5 and x

• the difference of 5 and x

• the quotient of 5 and x

What is x - 4 in English phrase?

• x more than 4

• 4 more than x

• x less than 4

• 4 less than x

Which of the following mathematical expression represents “5 years ago”?

• x - 5

• 5 - x

• x + 5

• 5 + x

Which of the following mathematical expression represents “10 years from now”?

• n + 10

• 10 + n

• n - 10

• 10 – n

In the phrase “the number is decreased by nine”, what operation is implied?

• Addition

• Division

• Multiplication

• Subtraction

In the phrase “thirteen plus a certain number g”, what operation is suggested?

• Addition

• Division

• Multiplication

• Subtraction

What is the mathematical translation of “five divided by a number x”?

• 5 + x

• 5 - x

• 5x