Basic Algebraic Expressions

Mary baked some cookies on Saturday. On Sunday she baked twice as many cookies as the day before. If c represents the number of cookies she made on Saturday, write an expression for the number of cookies she made on Sunday.

• c + 2

• c - 2

• c / 2

• 2c

g divided by 9

• 9g

• g-9

• g/9

• 9/g

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient

• algebraic expression

• variable

• term

A ______________ is a number multiplied by a variable. 

• term

• variable

• coefficient

• numerical expression

Your favorite local band is selling merchandise and they have asked you to write an algebraic expression to represent their total profit. They are selling t-shirts (t) for $15 each and CDs(c) for $5 each.

• $400

• $275

• $5

• $400

• $275

• $5

• 15

• 12

• 18

• 21

Translate the phrase into an algebraic expression: "Seven less than twice a number."

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."