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2. Which equation shows the distributive property? *
2 points
a. 3(8+4) = 24 + 12
b. (3 + 8) + 4 = 3 + (8 + 4)
c. (24 + 12) + 0 = 24 + 12
d. (12 + 4) + 6 = 6 + (12 + 4)
3. if a number can be written in the form a/b where a and b are integers and b is not equal to zero, the number is called ________. *
2 points
a. irrational
b. rational
c. real number
d. integers
4. Which property justifies the equation at the right? (12 + 4) + 6 = 6 + (12 + 4) *
2 points
a. associative property of addition
b. commutative property of addition
c. associative property of multiplicatio
d. commutative property of multiplication
5. Which of the following properties is used in the expression 1 + 4 = 5 *
2 points
a. Additive Inverse
b. Associative Property
c. Closure Property
d. Commutative Property
6. Which properties of addition is used in 4 + 0 = 4? *
2 points
a. Associative Property
b. Commutative Property
c. Distributive Property
d. Identity Property
7. Which is an example of Inverse Property of Addition? *
2 points
a. (-5) + (5) = 0
b. 2(-3) = (-2)(3)
c. 3 + 0 = 3
d. 4 + (1 + 3) = (4 + 1) + 3
8. Which is the principal square root of 81? *
2 points
a. -9
b. -8
c. 9
d. 8
9. Which property justifies the operation of union of set in the expression (AU B) U C = AU (B UC)? *
2 points
a. Associative Property
b. Identity Property
c. Commutative Property
d. Inverse Property
10. Which of the following does not show Distributive Property? *
2 points
a. 4(2 – 7) = 4(2) – 4(7)
b. 5(x + 3) = 5x + 15
c. a(b + c) = a + (b + c)
d. a(3 + 4) = 3a + 4a​