True or False Questions for Chapters 0 -1

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1. 1 is a prime

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True

False

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2. If a, b and c are integers, and a divides c and b divides c, then ab divides c.

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True

False

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3. If a, b, and c are integers and a divides b and b divides a, then a=b.

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True

False

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4. There are integers x and y such 27x + 40y = 1

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True

False

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5. gcd(10, 12) = 60

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True

False

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6. For positive integers a and b, ab = lcm(a,b)gcd(a,b).

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True

False

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7. One can use mathematical induction starting at any integer a.

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True

False

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8. D_n has n elements

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True

False

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9. The product of a reflection and a rotation is a reflection

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True

False

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10. The product of m rotations and n reflections is a reflection if and only if n is odd.

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True

False

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