Multi Variable Expressions

Evaluate the expression for w = 16, x = -10, and y = -5.

w − x − y

• 31

• -1

• 11

• 21

Evaluate the expression for w = 16, x = -10, and y = 5.

w − x − y

• 31

• -1

• 11

• 21

Evaluate the expression for w = 16, x = 10, and y = -5.

w − x − y

• 31

• -1

• 11

• 21

Evaluate the expression for w = -16, x = -10, and y = -5.

w − x − y

• 31

• -1

• 11

• 21

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. 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

Evaluate the expression for s = –4 and t = –1.

–4t + s

• -8

• 0

• 8

Evaluate the expression for s = –4 and t = –1.

–4t - s

• -8

• 0

• 8

Evaluate the expression for s = –4 and t = –1.

4t + s

• -8

• 0

• 8