Basic Mathematical Expressions

Write the phrase as an expression:

a number increased by two

• x + 2

• x - 2

• 2x

• x/2

Write the phrase as an expression:

twice a number plus six

• 2x + 6

• 2x - 6

• 2x / 6

• 2x (6)

In the expression below, what is the "4" labeled as?

4d-9

• answer

• solution

• difference

• co-efficient

In the expression below what is the "d" labeled as?

4d-9

• dirt

• donuts

• variable

• constant

In the expression below what is the (-) labeled as?

4d-9

• altogether

• operation - subtraction

• operation - multiplication

• operation - I don't know

In the expression below what is the "9" labeled as?

4d-9

• independent

• flamboyant

• constant

• never can count on

Write the phrase as an expression:

the quotient of a number and twelve

• x + 12

• x - 12

• 12x

• x/12

Six less than a number k

• k - 6

• 6 + k

• 6/k

• 6 - k

Half a number y

• 2y

• y/2

• y + 1/2

• y - 1/2

A number decreased by 9

• 9 - x

• x + 9

• x/9

• x - 9