Finding the Value of Expressions

What is the value of the expression

x² + y² + x - y

when x = -1 and y = 3

• 6

• 8

• 12

• 16

evaluate bc + 5a

when a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Evaluate g² - 3(h - g)

if g = 3 and h = -2

• 6

• 9

• 24

• 5

Evaluate 9a - ab + 5b

if a = 2 and b = 7

• 37

• 67

• 39

• 32

Evaluate 2x + 5(y - 1)

when x = 8 and y = 5

• 20

• 31

• 36

• -4

Evaluate 3(2x + z)

when x = 8 and z = 2

• 12

• 30

• 54

• 60

Evaluate 6 + 7b - 3a

if a = 2 and b = 8

• -100

• 100

• -56

• 56

Evaluate the expression

• -45

• 51

• 27

• -21

Evaluate the expression

• 13

• 17

• 37

• 6

Evaluate the expression

• 2

• -2

• 24

• -20