Class 9 Maths MCQs Tests

Name the property of real numbers used in π+(-π)=0:

Imaginary part of −𝑖(3𝑖 + 2) is:

If 𝑍 = −1 − 𝑖 , then 𝑍 (bar) =?

The value of 𝑖¹⁸ is:

π is a/an ________ number.

√3 . √3 is a/an ________ number.

The solution set of x²+1=0 is:

𝑖⁷ = _________

The conjugate of 5 + 4𝑖 is:

A non-terminating, non-recurring decimal represents:

10⁻² = _________

Product of a complex number and its conjugate is always a non-negative _______.

If 𝑧 < 0 then 𝑥 < 𝑦 ⇒

For any 𝑎, 𝑏, 𝑐 ∈ 𝑅 if 𝑎 > 𝑏 and 𝑏 > 𝑐  then 𝑎 > 𝑐.  Name of the property is:

Every real number is a:

If 𝑖² = −1 then 𝑖 =?

In ³√35 the radicand is:

If 𝑎, 𝑏 ∈ 𝑅 then only one of 𝑎 < 𝑏 𝑜𝑟 𝑎 = 𝑏 𝑜𝑟 𝑎 > 𝑏 holds is called:

Real part of 𝟐𝒂𝒃(𝒊 + 𝒊^𝟐) is:

(4)^2/3 with radical sign is:

The logarithm of any number to itself as a base is:

\( \log { { m }^{ n } } \) can be written as

\( \log _{ y }{ x } \)

log e= _______, where \(  { e\approx 2.718 }  \)

The relation \(y=\log _{ z }{ x } \) implies

The logarithm of unity to any base is:

If \({ a }^{ x }=n\),

The value of \( \log { \left( \frac { p }{ q } \right) } \) is

\( \log _{ b }{ a } \times \log _{ c }{ b } \) can be written as

\(\log { p\quad - }\log { q }\) is same as

\( \frac { { a }^{ 2 }-{ b }^{ 2 } }{ a+b } \) is equal to:

\( (3+\sqrt { 2 } )(3-\sqrt { 2 } ) \) is equal to:

\( { a }^{ 3 }+{ b }^{ 3 } \) is equal to:

\(  4x+3y-2  \) is an algebraic _________.

The degree of polynomial \( 4{ x }^{ 4 }+3{ x }^{ 2 }y \) is

Conjugate of surd \( a+\sqrt { b } \) is

\( \frac { 1 }{ a-b } -\frac { 1 }{ a+b } \) is equal to:

\( \sqrt { a } +\sqrt { b } )(\sqrt { a } -\sqrt { b } ) \) is equal to:

Factors of \( a^{ 4 }-4b^{ 4 } \) are:

Factors of x² - 5x + 6 are:

What should be added to complete the square of \( 9a^{ 2 }-12ab \) ?

Factors of  8x³+27y³ are:

Factors of \({ 3x }^{ 2 }-x-2 \) are:

Find ‘m’ so that \( x^{ 4 }+4x^{ 2 }+m \) is a complete square:

Factors of \( 27x^{ 3 }-\frac { 1 }{ x^{ 3 } } \) are:

Factors of \( 5x^{ 2 }-17xy-12y^{ 2 } \) are: