Evaluating Algebraic Expressions

2x + 5(y - 1) when x=8 and y=5

• 20

• 31

• 36

• -4

Evaluate the expression for the given value of the variable.
3x + 5 when x = 5

• 18

• 20

• 200

• 15

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

• 9

• 38

• -38

• -9

3(2x + z) when x=8 and z=2

• 12

• 30

• 54

• 60

Find the value of the expression.

• -12

• 12

• 14

• -14

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

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.

• 3

• 4

• 18

• 24

• 7

(y + z)² when y=5 and z=2

• 7

• 49

• 29

• 14

6 (x + 5)

• Six times X increased by five

• Six times the sum of a number and five

• The quotient of six and a number increased by five

• Five more a number times six

What are the terms of the expression 5x - 3y + 4?

• 5, 3, and 4

•  5x and 3y

• 5x, 3y, and 4

• 5x, -3y, and 4