Question # 1

The sum of complex number (a,b) and (c,d) is

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A prime number

An integer

A whole number

An irrational number

√-1 b=

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b

2

2b

None of these

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-3 -2i

3 +2i

1 + 2i

1 - 2i

In R the right cancellation property w.r.t. addition is

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The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = 1

X = -2, y = 1

X = 2, y = -1

X = 2, y = 2

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

i² =

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1

2

-1

0

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The multiplicative inverse of 0 is

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1

-1

0

Does not exist

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Additive property in R

Multiplication property in R

Cancellation property in R

Distribution property in R

The value of i⁴ⁿ⁺¹

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1

-1

i

i²

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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

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Principle of equality of Fractions

Rule for product of fraction

Golden rule of fraction

Rule of quotient of Fraction

The negative square root of 9 can be written as:

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-√9

√9

√18

-√18

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Reflexive property

Symmetric property

Transitive property

Additive property

The solution set of the equation |3x + 2| = 5 is

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A natural number

A rational number

An irrational number

A whole number

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Associate law of addition

Commutative law of addition

Additive identity

Closure law of addition

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

What is the conjugate of -7 -2i ?

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-7 + 2i

7 +2i

7 -2i

√53

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Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8

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Associative property of addition

Associative property of multiplication

Additive identity

Multiplicative identity

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15

15 i

-15 i

-15

Name the property used in 4 + 9 = 9 + 4

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Associative property of addition

Commutative property of addition

Distributive property

Additive identity

π is ______

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A complex number

A rational number

A natural number

An irrational number

If Z₁= 1 + i, Z₂= 2+3i, then |Z₁- Z₂| = ?

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The set of rationals numbers between 0 and I is

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Finite

Null set

Infinite

None of these

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6 is

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A prime integar

An irrational number

A rational number

An odd integer

The property used in -3 <-2 ⇒0 <1

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Commutative property

Additive property of inequality

Additive inverse

Additive identity

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