Functional Expressions

5a + 2 when a = 10

• 42

• 36

• 52

• 86

Evaluate the expression when v = 4

Hint: Use the distributive property

5(v + 1)

• 26

• 12

• 11

• 25

Evaluate the expression when t = 10

Hint: Use the distributive property

4(t – 2)

• 35

• 24

• 12

• 32

Simplify the expression

6(a - 3) + 2a

• 8a - 18

• 8a + 18

• 4a - 18

• 4a + 18

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

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

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

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Simplify this expression

3.4m + 2.4m

Answer explanation

Answer: 5.8m