Test 1

Which is an example of Commutative Property of Addition?

• 7 + (6+3) = 7 + (3+6)
• 3x4 = 4x3
• 7 + 3 = 13 + 7
• 2 + (3 + 4) = (2 + 3) +4

Find an equivalent expression using the associative property:
7 + ( 8 + 9)

• 7 + 8 + 9
• 8 + ( 7 + 9)
• (7 + 8 ) + 9
• 7 + 10

6p - 5 =13

• 12
• 15
• 3
• -3

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

-(n - 8) = -2

• 6
• 10
• -10
• -6

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Solve.
(2x - 3) / 4  = 9

• x = 24
• x = 12
• x = 17.5
• x = 19.5

π

• Rational
• Irrational

45

• Rational 
• Irrational

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1