evaluating expressions

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

Tags

CCSS.6.EE.A.2C

x² - xy if x = 8 and y = -3

• 88

• 40

• -8

• -24

Tags

CCSS.6.EE.A.2C

(18 - ab) + 4b if a = -2 and b = -5

• 8

• 28

• 48

• -12

Tags

CCSS.6.EE.A.2C

-7w² + 2w if w = -4

• 104

• -64

• -120

• 120

Tags

CCSS.6.EE.A.2C

½(10p - 7q) if p = 9 and q = 2

• 31

• 38

• 52

• 152

Tags

CCSS.6.EE.A.2C

12x ÷ 4y if x = -8 and y = 3

• -8

• 72

• -72

• 8

Tags

CCSS.6.EE.A.2C

10c - cd + d³ if c = -6 and d = 2

• -40

• 56

• 54

• -64

Tags

CCSS.6.EE.A.2C

(12xy)/(x - y) if x = 3 and y = -1

• 9

• -18

• 18

• -9

Tags

CCSS.7.NS.A.1D

(20ab) ÷ (a-b)² if a = 4 and b = -2

• 40/3

• 40

• -40/9

• -13

Tags

CCSS.6.EE.A.2C

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

• 6
• 8
• 12
• 16

Tags

CCSS.6.EE.A.2C