Evaluation of Algebraic Expressions

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20

• 24

• 44

• 4

Evaluate 6y for y = 3

• 12

• 18

• 63

• 2

Evaluate x + y for x = 5 and y = 6

• 30

• 1

• 11

Evaluate 2x + 3 for x = 4

• 5

• 9

• 11

• 1

Find the value of the expression.

• -12

• 12

• 14

• -14

Evaluate 3x - 2 for x = 5

• 13

• 10

• 0

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

• 30

• 28

• 26

• 14

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

An Algebraic Expression is a mathematical phrase that includes at least one ___________________.

• variable

• coefficient

• constant

• Sponge Bob

Identify the variable of the algebraic expression:

• 3

• x

• 5

• 3x and 5