Sets & Their Representation (Lowersixth Science Mathematics)

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Quick set theory revision quiz

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Sets & Their Representation (Lowersixth Science Mathematics)


Froggy Jumps Sets & Their Representation (Lowersixth Science Mathematics)Version en ligne Quick set theory revision quiz par YAKILI LMS 1 What is an element in set theory? a A defined number b A subset of a set c A member of a set 2 If A = {1,2} and B = {2,3}, is 2 in both A and B? a No, 2 is not in A b Yes, 2 is in A ∩ B c 2 is in A but not B 3 What does A ⊆ B mean? a A is disjoint from B b Every element of A is in B c A equals B 4 If A = B, what is A = B called? a Equality of sets b Disjointness c Subset relation 5 Which numbers are rational? a Fractions, integers, terminating decimals b Non-numeric sets c Irrational numbers only 6 Which numbers are real? a Only rationals b R includes rationals and irrationals c Only integers 7 What is the intersection A ∩ B? a Elements in A or B b Elements common to A and B c Elements only in A 8 What is the union A ∪ B? a Elements in A or B (or both) b Elements in neither A nor B c Only elements unique to A 9 State the idempotent law for sets. a A ∪ A = A and A ∩ A = A b A ∩ A ≠ A c A ∪ A ≠ A 10 What does associative law mean in sets? a A ∪ (B ∪ C) = (A ∪ B) ∪ C b A ∩ (B ∪ C) ≠ (A ∪ B) ∪ C c A ∪ (B ∩ C) = (A ∪ B) ∩ C 11 State the commutative law for unions. a A ∪ B ≠ B ∪ A b A ∩ B = B ∪ A c A ∪ B = B ∪ A 12 State the distributive law of sets. a A ∪ (B ∩ C) = A ∪ B b A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C) c A ∩ (B ∪ C) = (A ∪ B) ∪ (A ∪ C) 13 Identity law for sets? a A ∪ ∅ = A and A ∩ U = A b A ∩ ∅ = ∅ c A ∪ U = U 14 Complement law for a universal set U? a A ∪ A' = ∅ b A ∩ A' = U c A ∪ A' = U and A ∩ A' = ∅ 15 What is a subset relation symbol? a ⊇ b ⊆ c ⊂ 16 Which is a proper subset symbol? a ⊆ b ∈ c ⊂ 17 If A = {1,2} and B = {1,2,3}, is A ⊆ B? a Only if B ⊆ A b No c Yes 18 Empty set is denoted by? a U b ∅ c Ø 19 What is a universal set? a Set of real numbers only b Set containing all elements under discussion c Empty set 20 Which is a disjoint pair? a A ∩ B = ∅ b A ⊆ B c A ∪ B = ∅ 21 If A ∩ B = ∅ and A ≠ ∅, what does it imply about A and B? a A equals B b A and B are disjoint c A is subset of B 22 What is the complement of A? a All elements not in A, within U b All elements in A c Nothing outside A 23 What does A ∪ B mean if A and B are disjoint? a A and B complement b A plus B without overlap c A and B intersect 24 Which law is idempotent for intersection? a A ∪ A = A b A ∩ A = ∅ c A ∩ A = A 25 Which law is distributive over union? a A ∪ (B ∪ C) = (A ∪ B) ∪ (A ∪ C) b A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C) c A ∩ (B ∪ C) = A ∩ B ∪ C 26 Which is a real number set example? a √2 b 2+√-1 c πi 27 Which is not a subset relation? a A ⊂ B b A ⊄ B c A ⊆ B 28 What does A ∪ ∅ equal? a U b A c ∅ 29 What does A ∩ U equal? a U b A c ∅ 30 If A ⊆ B and B ⊆ A, what is A and B? a A = B b Disjoint c A is subset of B 31 What is the power set P(A)? a Set of all subsets of A b All supersets of A c All elements of A 32 Which is a proper subset example? a A ⊂ B but A ≠ B b A ⊆ B and A = B c A ⊂ B and A = B 33 Complement of empty set is? a ∅ b Universal set U c A 34 Is ∅ ∪ A = A? a Yes b Only if A = ∅ c No 35 Is ∅ ∩ A = ∅? a No b Yes c Only if A = ∅ 36 What is a rational number? (Identify type.) a Only integers b An irrational number c Any number that can be expressed as a ratio of integers 37 Which is not a real number property? a Includes imaginary unit i b Contains √2 c Includes π 38 Which statement is true about subsets? a B is subset of A if A ⊆ B b A must be equal to B c Every element of A is in B if A ⊆ B 39 Distributive law example: A ∪ (B ∩ C) equals? a (A ∪ B) ∪ (A ∪ C) b A ∪ B ∩ C c (A ∪ B) ∩ (A ∪ C) 40 What is A′ in relation to A? a Union partner of A b Subset of A c Complement of A 41 Which law shows A ∪ A′ = U? a Identity law b Distributive law c Complement law 42 Which set operation keeps shared elements? a Intersection b Union c Complement 43 What does A ∪ ∅ return? a U b A c ∅ 44 If A and B are disjoint, what is A ∩ B? a ∅ b B c A 45 Is A ∩ B ⊆ A always true? a Yes b No c Only if A = B 46 What is the power set of ∅? a {∅} b ∅ c {U} 47 What does A ∩ (B ∪ C) equal by distributive law? a (A ∩ B) ∪ (A ∩ C) b A ∪ B ∪ C c (A ∪ B) ∩ (A ∪ C) 48 If A = B, what is A ∪ B? a U b A c ∅ 49 What is a real number example? a √-1 b −3.14 c i 50 Which is an irrational number? a 1/2 b 0.5 c √2

Sets & Their Representation (Lowersixth Science Mathematics)

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Sets & Their Representation (Lowersixth Science Mathematics)Version en ligne

par YAKILI LMS

What is an element in set theory?

If A = {1,2} and B = {2,3}, is 2 in both A and B?

What does A ⊆ B mean?

If A = B, what is A = B called?

Which numbers are rational?

Which numbers are real?

What is the intersection A ∩ B?

What is the union A ∪ B?

State the idempotent law for sets.

What does associative law mean in sets?

State the commutative law for unions.

State the distributive law of sets.

Identity law for sets?

Complement law for a universal set U?

What is a subset relation symbol?

Which is a proper subset symbol?

If A = {1,2} and B = {1,2,3}, is A ⊆ B?

Empty set is denoted by?

What is a universal set?

Which is a disjoint pair?

If A ∩ B = ∅ and A ≠ ∅, what does it imply about A and B?

What is the complement of A?

What does A ∪ B mean if A and B are disjoint?

Which law is idempotent for intersection?

Which law is distributive over union?

Which is a real number set example?

Which is not a subset relation?

What does A ∪ ∅ equal?

What does A ∩ U equal?

If A ⊆ B and B ⊆ A, what is A and B?

What is the power set P(A)?

Which is a proper subset example?

Complement of empty set is?

Is ∅ ∪ A = A?

Is ∅ ∩ A = ∅?

What is a rational number? (Identify type.)

Which is not a real number property?

Which statement is true about subsets?

Distributive law example: A ∪ (B ∩ C) equals?

What is A′ in relation to A?

Which law shows A ∪ A′ = U?

Which set operation keeps shared elements?

What does A ∪ ∅ return?

If A and B are disjoint, what is A ∩ B?

Is A ∩ B ⊆ A always true?

What is the power set of ∅?

What does A ∩ (B ∪ C) equal by distributive law?

If A = B, what is A ∪ B?

What is a real number example?

Which is an irrational number?