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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
5.3 Binary Operations - Review

Q 1: Find identity element in i = {-1,0,1} if the binary operation is addition defined on I.
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Q 2: Find the identity element a*b = a+b+ab, a, b € I
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Q 3: Is a*b = a+b, a, b € 1 is a binary operation? Write your answer as Y or N.
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Q 4: Check if a*b = a-b is associative. Wrie your answer as y or N.
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Q 5: Check if a*b = ab/4 is associative. Write your answer as Y or N.
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Q 6: Check if a*b = a+ab is associative. Write as Y or N
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Q 7: Find the identity element for the operation a*b = a+b+1, a, b € I
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Q 8: Find if the binary operation a*b = (a+b)/2 on Q associative? Write your answer as Y or N.
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 Question 10: This question is available to subscribers only!


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