Higher mathematics test VK2
Replenishment date: 11.02.2012
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Task 24
Question 1. Among the presented pairs of sets, find the equal ones:
1) {1,3, 5, 7, 9} and (9, 7, 5, 3, 1};
2) {@, #, $,%, &,} and {@, #, $,%, №};
3) {x + 2 = 1 | x N} and {x + 2 = 1 | xeR};
4) {articles that make up the Constitution of the Russian Federation} and {articles that make up the Civil Code of the Russian Federation};
5) all presented sets are different.
Question 2. A - the set of natural numbers divisible by 2, B - the set of natural numbers divisible by 3, C - the set of natural numbers divisible by 6. Indicate the correct inclusions:
1) A B, B C;
2) B A, B C;
3) A C, B C;
4) C A, C B;
5) C A, B A.
Question 3. The set A is given by the characteristic condition: A = {x + 2 = 1 | x N}. What is it like?
1) bounded from above;
2) limited from below;
3) empty;
4) non-empty;
5) infinite.
Question 4. The set M is given by the characteristic property: "to be an even number." Find a false statement
1) M = {2n; n N};
2) | M | =;
3) M N;
4) A M; where A = {4n; n N};
5) M = W.
Question 5. The set M is given by the characteristic property: "to be an even number." Find the property that does not match the given set:
1) M is infinite;
2) M is limited from below;
3) M is bounded from above;
4) M is ordered;
5) M is not empty.
Task 25
Question 1. Finish the definition: "A non-empty set is a set whose cardinality ...". Please choose the most complete answer.
1) = 0,
twenty,
3) =,
four) ,
5) = 10.
Question 2. Complete the definition: "An infinite set is a set whose cardinality ..." Choose the most complete answer
1) = 0,
twenty,
3) =,
4) ,
5) = 10.
Question 3. Finish the definition: "A finite set is a set whose cardinality ...".
1) = 0,
twenty,
3) =,
four) ,
5) = 10.
Question 4. Find a subset of the set {10,20,30 ... 100}.
1) {10, 11, 12, ... 99,100},
2) {10,30,50,70,90},
3) {1,2,3 .... 10},
4) {10x | x {0,1,2, ... 10}},
5) Answers 2 and 4 are correct.
Question 5. Find the properties of the set of rational numbers Q.
1) of course, limited, closed with respect to addition;
2) infinite, limited, closed with respect to subtraction;
3) of course, bounded from below, not closed with respect to division;
4) infinite, unlimited, non-closed relative to multiplication;
5) is infinite, unlimited, closed with respect to addition, subtraction, multiplication and division.
Task 26
Question 1. A is the set of roots of the equation Zx2 - 12x - 15 = 0, and B is the set of roots of the equation x2 - 3x - 10 = 0. Find A B.
1) {-2, -1, 5};
2) {5,-1, 5,-2};
3) {5};
4) {-1.-2};
5) {-1}.
Question 2. A is the set of numbers multiples of 7, B is the set of multiples of 3, C is the set of multiples of 2. Describe the set (AB) \ C.
1) these are numbers multiples of 7;
2) these are numbers multiples of 3;
3) these are numbers multiples of 2;
4) these are numbers multiples of 21;
5) these are multiples of 42.
Question 3. A is the set of roots of the equation Zx2 - 12x -15 = 0, and B is the set of roots of the equation x2 - Zx - 10 = 0. Find A \ B.
1) {-2, -1,5};
2) {5, -1,5, -2};
3) {5};
4) {-1.-2};
5) {-1}.
Question 4. Find sets A and B such that 5 A B, 7 A B.
1) A - a set of multiples of 5, B - a set of divisors of 20;
2) A = {4, 5, 6, 7, 8}, B = {1,2, 3,4, 5};
3) A = {x5 | xN}, B = {x; 5 | xN};
4) A is the set of solutions to the equation x2 - 12x + 35 = 0, B is the set of solutions to the equation x2 - 8x + 15 = 0
5) all answers are correct.
Question 5. The set X = {A; IN; FROM; O}, and the set Y = {C; IN; E; H}. Perform action (X \ Y) U (Y \ X).
1) {A; IN; FROM; D; E; H};
2) {A; IN; E; H};
3) {D; FROM};
4) W;
5) there is no correct answer.
Task 27
Question 1. There is a known Cartesian product X x T = {(M, A), (K, B), (M, B), (K, A)}. Define sets A and B.
1) X = {A, B}; T = {M, K};
2) X = {M, K}; T = {A, B};
3) X = {A, A, B, B}; T = {M, K, M, K};
4) X = {M, K, M, K}; T = {A, B, B, A};
5) there is no right answer.
Question 2. n (A) = 7, A x B = W. What is n (B)?
1) 7;
2) 0;
3) 1;
4) 49
5)
Question 1. Among the presented pairs of sets, find the equal ones:
1) {1,3, 5, 7, 9} and (9, 7, 5, 3, 1};
2) {@, #, $,%, &,} and {@, #, $,%, №};
3) {x + 2 = 1 | x N} and {x + 2 = 1 | xeR};
4) {articles that make up the Constitution of the Russian Federation} and {articles that make up the Civil Code of the Russian Federation};
5) all presented sets are different.
Question 2. A - the set of natural numbers divisible by 2, B - the set of natural numbers divisible by 3, C - the set of natural numbers divisible by 6. Indicate the correct inclusions:
1) A B, B C;
2) B A, B C;
3) A C, B C;
4) C A, C B;
5) C A, B A.
Question 3. The set A is given by the characteristic condition: A = {x + 2 = 1 | x N}. What is it like?
1) bounded from above;
2) limited from below;
3) empty;
4) non-empty;
5) infinite.
Question 4. The set M is given by the characteristic property: "to be an even number." Find a false statement
1) M = {2n; n N};
2) | M | =;
3) M N;
4) A M; where A = {4n; n N};
5) M = W.
Question 5. The set M is given by the characteristic property: "to be an even number." Find the property that does not match the given set:
1) M is infinite;
2) M is limited from below;
3) M is bounded from above;
4) M is ordered;
5) M is not empty.
Task 25
Question 1. Finish the definition: "A non-empty set is a set whose cardinality ...". Please choose the most complete answer.
1) = 0,
twenty,
3) =,
four) ,
5) = 10.
Question 2. Complete the definition: "An infinite set is a set whose cardinality ..." Choose the most complete answer
1) = 0,
twenty,
3) =,
4) ,
5) = 10.
Question 3. Finish the definition: "A finite set is a set whose cardinality ...".
1) = 0,
twenty,
3) =,
four) ,
5) = 10.
Question 4. Find a subset of the set {10,20,30 ... 100}.
1) {10, 11, 12, ... 99,100},
2) {10,30,50,70,90},
3) {1,2,3 .... 10},
4) {10x | x {0,1,2, ... 10}},
5) Answers 2 and 4 are correct.
Question 5. Find the properties of the set of rational numbers Q.
1) of course, limited, closed with respect to addition;
2) infinite, limited, closed with respect to subtraction;
3) of course, bounded from below, not closed with respect to division;
4) infinite, unlimited, non-closed relative to multiplication;
5) is infinite, unlimited, closed with respect to addition, subtraction, multiplication and division.
Task 26
Question 1. A is the set of roots of the equation Zx2 - 12x - 15 = 0, and B is the set of roots of the equation x2 - 3x - 10 = 0. Find A B.
1) {-2, -1, 5};
2) {5,-1, 5,-2};
3) {5};
4) {-1.-2};
5) {-1}.
Question 2. A is the set of numbers multiples of 7, B is the set of multiples of 3, C is the set of multiples of 2. Describe the set (AB) \ C.
1) these are numbers multiples of 7;
2) these are numbers multiples of 3;
3) these are numbers multiples of 2;
4) these are numbers multiples of 21;
5) these are multiples of 42.
Question 3. A is the set of roots of the equation Zx2 - 12x -15 = 0, and B is the set of roots of the equation x2 - Zx - 10 = 0. Find A \ B.
1) {-2, -1,5};
2) {5, -1,5, -2};
3) {5};
4) {-1.-2};
5) {-1}.
Question 4. Find sets A and B such that 5 A B, 7 A B.
1) A - a set of multiples of 5, B - a set of divisors of 20;
2) A = {4, 5, 6, 7, 8}, B = {1,2, 3,4, 5};
3) A = {x5 | xN}, B = {x; 5 | xN};
4) A is the set of solutions to the equation x2 - 12x + 35 = 0, B is the set of solutions to the equation x2 - 8x + 15 = 0
5) all answers are correct.
Question 5. The set X = {A; IN; FROM; O}, and the set Y = {C; IN; E; H}. Perform action (X \ Y) U (Y \ X).
1) {A; IN; FROM; D; E; H};
2) {A; IN; E; H};
3) {D; FROM};
4) W;
5) there is no correct answer.
Task 27
Question 1. There is a known Cartesian product X x T = {(M, A), (K, B), (M, B), (K, A)}. Define sets A and B.
1) X = {A, B}; T = {M, K};
2) X = {M, K}; T = {A, B};
3) X = {A, A, B, B}; T = {M, K, M, K};
4) X = {M, K, M, K}; T = {A, B, B, A};
5) there is no right answer.
Question 2. n (A) = 7, A x B = W. What is n (B)?
1) 7;
2) 0;
3) 1;
4) 49
5)
Additional Information
with 24 on 41