Question # 1

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closureproperty

associativeproperty

commutativeproperty

trichotomyproperty

Rational numbers are:

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repeating decimals

terminatingdecimals

periodicdecimals

all of these

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The multiplicative identity of real numbers is:

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0

1

2

-1

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x = 0, y = 0

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integer

rationalnumber

irrationalnumber

naturalnumber

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Reflexive property

Symmetricproperty

Transitiveproperty

Trichotomyproperty

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integer

rational number

irrational number

natural number

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

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

Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

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

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3 - 5i

3i - 5

7 - 9i

3 + 5i

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additive property

multiplicative inverseproperty

transitive property

negative property

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

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0

-a

a

π is defined as:

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ration of diameter of a circle to its circumference

ration of the circumference of a circle to its diameter

ration of area of a circle to its circumference

ration of the circumference of a circle to its area

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cancellation property w.r.t multiplication

cancellationproperty w.r.t addition

multiplicativeproperty

additiveproperty

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

Division of a natural number by another natural number gives:

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always a natural number

always an integer

always a rationalnumber

always an irrational number

Zero is:

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a natural number

a whole number

a positive integer

a negativeinteger

Every real number is also a/an:

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integer

rational number

irrationalnumber

complexnumber

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