Evaluating Expressions

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

• 9

• 38

• -38

• -9

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

What is the value of the expression
x² + y² + x - y 
when x = -1 and y = 3

• 6

• 8

• 12

• 16

g²-3(h-g)Evaluate if g=3 and h=-2

• 6

• 9

• 24

• 5