evaluating expressions

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

• 20
• 24
• 44
• 4

Tags

CCSS.6.EE.A.2C

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

• 74
• 38
• 1000
• 9000

Tags

CCSS.6.EE.A.2C

Evaluate 7y - 3y for y=2

• 40
• 73
• 8
• 4

Tags

CCSS.6.EE.A.2C

Challenge:

Evaluate bc + 5a

when a = 3, b = 4, and c = -2

• 10

• 23

• 8

• 7

Tags

CCSS.7.NS.A.3

What is the value of the expression of x if
x = 120(a - b) + 10(ab)
when a = 6 and b = 2

• 300
• 580
• 650
• 600

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

Evaluate this expression:
(-2)² - (-5)²

• -21
• 29
• 21
• -29

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.5

Evaluate this expression
4² - 4(5)(-2)

• -24
• 24
• -56
• 56

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.5