Language of Algebra

Translate the phrase "the sum of a number and seven" into an algebraic expression.

• 7n

• n + 7

• 7 - n

• n / 7

If "x" represents a number, how would you express "three times a number decreased by five"?

• 3x - 5

• 3(x - 5)

• 5 - 3x

• 3x + 5

Write the expression for "the product of 9 and a number y increased by 4".

• 9 + y + 4

• 9y + 4

• 4y + 9

• 9(y + 4)

How would you represent "twice the sum of a number t and four"?

• 2t + 4

• 2(t + 4)

• t + 2(4)

• (t + 4) / 2

Express "the difference between a number z and eight" as an algebraic expression.

• z - 8

• 8 - z

• z / 8

• 8z

How would you write "four less than a number" in algebraic terms?

• 4 - n

• n - 4

• n / 4

• 4n

What is the algebraic expression for "seven more than twice a number m"?

• 7 + 2m

• 2m + 7

• 7m + 2

• 2(m + 7)

Translate "the quotient of a number p and six" into an algebraic expression.

• p + 6

• p - 6

• p / 6

• 6 / p

If "b" stands for a number, how would you express "the square of a number decreased by ten"?

Write the expression for "five times the sum of a number k and three, minus two".

• 5k + 3 - 2

• 5(k + 3) - 2

• (5k + 3) - 2

• 5k + (3 - 2)