Algebra Expressions

In the expression 2x² indicate what is the coeficient?

• 2

• 2x

• x²

• None of the above

Simplify when possible. 3x + x

• 4x

• 4x²

• 3 (x + x)

• None of the above

Simplify when possible. 2ab + 3ab

• 5 ab

• 6 ab²

• 6 (a + b)

• None of the above

Carry out these operations and simplify: (3x) (2x)

• 6x²

• 5x

• 6x

• None of the above

• $400

• $275

• $5

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

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

The table shown below represents the number of hours that Mike practiced his guitar each day. Which expression represents the total amount of time that Mike practiced his guitar?

• 10x

• 7x + 3

• 8x + 3

• none of the above

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

Carry out these operations and simplify: (10x²y) : (5xy)

• 5x

• 50 x³y²

• 6x

• None of the above