Question # 1

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

The additive inverse of a real number is a:

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0

-a

a

The ordered pairs (2, 5) and (5, 2) are:

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not equal

equal

disjoint

empty

Zero is:

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a natural number

a whole number

a positive integer

a negativeinteger

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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x = 0, y = 0

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closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

Irrational numbers are:

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terminating decimals

non-terminating decimals

non-terminating, repeating decimals

non-terminating, non repeating

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archimedean property

transitive property

multiplicative property

If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

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3 - 5i

3i - 5

7 - 9i

3 + 5i

The multiplicative invers of a non-zero real number a is:

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0

-a

a

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The set of negative integers is closed with respect to:

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addition

multiplication

both (a) and (b)

subtraction

i² + 1 =

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-1

0

i

1

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integer

rational number

irrational number

natural number

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integer

rationalnumber

irrationalnumber

naturalnumber

If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

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a + c = b + d

a + b = c + d

a - b = c - d

None of these

Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

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