Algebraic Expression Evaluate

Evaluate the expression using the values m = 7, r = 8, and t = 2.
3m – 5t

• 21

• 11

• 10

• 22

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

6a - 3d
when a = 1, d = 2

• 3

• 12

• 1

• 0

8y + 12 - 2z
for y = 4 and z = 2

• 40

• 20

• 84

• 34

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 if a = 2 and b = 8
6 + 7b - 3a

• -100

• 100

• -56

• 56

Let x = 4 and y = 3. Evaluate 3x - 4y.

• 6

• 0

• 2

• -12

Evaluate the expression using the values
 m = 7, r = 8, and t = 2.
4m + t

• 30

• 28

• 26

• 14

Which is NOT a word phrase for the algebraic expression.
24n

• 24 times a number

• 24 times n

• the product of 24 and a number

• the sum of 24 and a number