Substitution in Algebraic Expressions

Evaluate when x = 8:
2x + x - 10

• 34

• 22

• 14

• 24

Tags

CCSS.6.EE.A.2C

Evaluate the expression when x = 8:  
7(6 + 3 − x)

• 72

• 56

• 21

• 7

Tags

CCSS.6.EE.A.2C

Evaluate when x = 2 and y = 5:
2 + (12 - 5x) ⋅ 2y

• 22

• 40

• 142

• -86

Tags

CCSS.6.EE.A.2C

a² - b²
Evaluate if a=4 and b =2

• 4

• 20

• -4

• 12

Tags

CCSS.6.EE.A.2C

Evaluate if a = 2 and b = 8
6 + 7b - 3a

• -100

• 100

• -56

• 56

Tags

CCSS.6.EE.A.2C

Evaluate m² if      m = 5

• 10

• 25

Tags

CCSS.6.EE.A.2C

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

• 9

• 38

• -38

• -9

Tags

CCSS.6.EE.A.2C

Evaluate the expression when y = 5
2y² + 3y

• 75

• 65

• 115

• 105

Tags

CCSS.6.EE.A.2C

3(2x + z) when x=8 and z=2

• 12

• 30

• 54

• 60

Tags

CCSS.6.EE.A.2C

Evaluate x - 20 when x = 3

• 17

• -17

• 23

• -23

Tags

CCSS.6.EE.A.2C