Make Algebraic Expressions

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

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

• 20

• 24

• 44

• 4

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

3x + 8   if x = 2

• 13

• 14

• 15

• 16

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

• 30

• 28

• 26

• 14

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

• 21

• 11

• 10

• 22

b² + 4
when b = 3

• 10

• 12

• 13

• 11

Eight added to a number y.

• y + 8

• y - 8

• 8y

• 8/y

Twice a number g. 

• g2

• 2g

• 2/g

• 2 + g

Eighteen less than a number f. 

• 18 - f

• 18f

• 18 + f

• f - 18