HW: Word problems practice

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 4m + 8
• 8m - 4
• 8m + 4
• 4m - 8

Translate this phrase into an algebraic expression.

The difference of 3 times a number and 7

Use the variable n to represent the unknown number.

• 3 - 7n

• 3n - 7

• 3n + 7

• 3 / 7n

Translate this phrase into an algebraic expression.

2 times the difference of a number and 11

Use the variable t to represent the unknown number.

• 2t - 11

• 2(t - 11)

• 2(t / 11)

• 2 x t - 11

Write a verbal expression for:

2a+6

• 6 more than the product of 2 and a number

• 6 less than the product of 2 and a number

• 6 more than the quotient of 2 and a number

• twice a number plus 6

• the quotient of 8 and a number minus 9

• the product of 8 and a number minus 9

• the quotient of a number and 8 minus 9

• 9 less than the quotient of a number and 8

Pizzazz Publications is having some books printed. The printer charges $800 plus $5 per book. What equation could help me find how many books can be printed for $4,000?

• 800 + 5x = 4000
• 800x + 5 = 4000
• 4000 + 5x= 800
• 800 + 5 = 4000

Mr. Piper's plumbing needed repairs. The plumber charged $98 for parts plus $45 per hour for labor. If the bill totaled $458, how could I find out the hours of labored required?

• 98x + 45 = 458
• 98 + 45x = 458
• 45 + 98 = 458
• 45x - 98 = 458

What is the constant in the following expression:  5x + 4 + 3y - 2x

• 5
• 5x
• 4
• 3y

Like terms have the same _____ and the same _____.

• variables and numbers
• signs and numbers
• variables and exponents
• variables and signs

Mallory bought pizza and soda for a party. If she spent $12.57 on the sodas and $10.95 for each pizza, how many pizzas did she buy if her total is $89.22?

• 10.95x + 12.57 = 89.22

• 12.57x + 10.95 = 89.22

• 89.22x -10.95 = 12.57

• 12.57 + 10.95 = 89.22