Question # 1

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Additive identity

Additive inverse

Multiplicative identiry

Multiplicative inverse

If Z = Z₂ and Z₂ = Z₃ then Z₁ = Z₃ this property is known as ______ property:

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Reflexive

Symmetric

Transitive

Commutative

The conjugate of 5 + 4i is

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-5 + 4i

-5 - 4i

5 - 4i

5 + 4i

A non-terminating, non-recurring decimal represents:

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A natural number

A rational number

An Irrational number

Prime number

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Transtitive

Multiplicative inverse

Multiplicative identity

None

Conjugate of real number is:

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Pure imaginary

Real

Complex

None

Real part in -3i is:

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3

O

-3

1

Solution of x²= -1 in real numbers:

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-1

+1

Solution does not exist

Write 4^2/3with radical sign

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Real part of 2ab(i + i²) is:

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2ab

-2ab

2abi

-2abi

The real numbers are represented geometrically by points on _________,

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Plane

Line

Space

None

Which of the following sets have the Closure Property w.r.t addition.

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{0}

{0, -1}

{0,1}

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-2/5

2/5

5/2

The conjugate of 6 + 5i.

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-6 + 5i

-6 - 5i

6 + 5i

6 - 5i

In Z = a + bi, a is called ______ part of Z.

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Real

Imaginary

Whole

None

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Mathematics 9th Class English Medium Unit 2 Online Test MCQs With Answers

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