Evaluating Algebraic Expressions

Evaluate the expression when x = 3. 
2x² - 5

• 31

• 12

• 7

• 13

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

b² + 4
when b = 3

• 10

• 12

• 13

• 11

2x + 3 + x²; for x = 4

• 17

• 27

• 19

• 25

• $400

• $275

• $5

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."

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

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