Evaluating Algebraic Expression

2x + 3 + x²; for x = 4

• 17

• 27

• 19

• 25

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

Evaluate when x = 8:
2x + x - 10

• 34

• 22

• 14

• 24

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

• 31

• 12

• 7

• 13

Danika earns money for a house by tutoring and walking dogs. She earns $80 for every hour she tutors, and $25 for every dog she walks. Which expression can be used to determine the amount of money, in dollars, Danika earns from tutoring t kids and walking w dogs?

• t + w

• 80w + 25

• 80t + 25w

• 80 + 25w

The school wants to order T-shirts that cost $10 each plus a shipping fee of $5 per order. Identify which algebraic expression represents the total cost of ordering "c" T-shirts.

• 15c

• 10c + 5

• 10 + 5c

For a monthly family cookout, David buys 3 packages of hot dogs and 4 packages of hamburger patties. Hot dog packages each contain x hot dogs. Hamburger packages each contain y hamburger patties. Complete the expressions for the total number of hot dogs and hamburger patties David buys for 6 cookouts. 

6( ​ (a)   x + ​ (b)   y)

​ (c)   x + ​ (d)   y

• 3

• 4

• 18

• 24

• 7

Don wrote the expression 8 less than the product of m and 10. What algebraic expression did he write? What is the value of the expression for m = 7?

• 10m + 8; 78

• 8m + 10; 66

• 10m - 8; 62

• 8m - 10; 46

Evaluate expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59

Village Pizza on Tulip Avenue sells pies for $16.50. There is an additional $5.50 fee for delivery. Let p represent the number of pizzas. Write an algebraic expression that can calculate any delivery order. What is the cost of 12 pies being delivered to Kevin Leary's house?

• 16.50p + 5.50; Total cost = $203.50

• 12p + 5.50; Total cost = $203.50

• 16.50p + 12; Total cost = $203.50

• 16.50p + 5.50; Total cost = $198