Math Quiz: Sets and Integers
1. What is the union of sets A = {1, 2, 3} and B = {3, 4, 5}?
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{1, 2, 3, 4, 5}
{3}
{1, 2, 4, 5}
{1, 2, 3}
2. What is the intersection of sets A = {2, 4, 6} and B = {1, 2, 3}?
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{2}
{4, 6}
{1, 3}
{}
3. Simplify the integer expression: (-3) + 7 = ?
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4. What is the absolute value of -15?
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5. If set A = {x | x is an integer and x > 0}, what type of numbers does set A represent?
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Positive integers
Negative integers
Whole numbers
Rational numbers
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