Matrices and Determinants:

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Class 9 Math MCQs Chapter-01:

MCQs from Text Book Exercise and others included in this Practice panel. By practicing again and again, Student can get good practice on this topic “Matrices and Determinants” i.e. 9th Class Math MCQs Chapter-01.

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Math Ch#1, 09th Class

Here MCQs for your Revision

For Good Revision & Grip on Concept, You Should take the MCQs and Revise it again and again

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Welcome

You Should Enter your Name

1 / 38

If for Matrix At = -A, then Matrix A is Called ______

2 / 38

Matrix A + B can be found, if ________________

3 / 38

Adjoint of \begin{bmatrix} 2 & 1\\ -1 & -3 \end{bmatrix} is ________

  1. \begin{bmatrix} -3 & -1\\ 1 & 2 \end{bmatrix}
  2. \begin{bmatrix} 3 & -1\\ 1 & 2 \end{bmatrix}
  3. \begin{bmatrix} -3 & 1\\ 1 & -2 \end{bmatrix}
  4. \begin{bmatrix} 2 & 1\\ 1 & 3 \end{bmatrix}

4 / 38

Two matrices are said to be confirmable for _______ if they have same order.

5 / 38

A matrix is called a square matrix if its order is _____

6 / 38

The Matrix of the same order _____ satisfy commutative law under addition.

7 / 38

if X + \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix} = \begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} , then X is equal to ________

A = \begin{bmatrix} 2 & 2\\ 2 & 0 \end{bmatrix}

B = \begin{bmatrix} 0 & 2\\ 2 & 2 \end{bmatrix}

C = \begin{bmatrix} 2 & 0\\ 0 & 2 \end{bmatrix}

D = \begin{bmatrix} 2 & 2\\ 0 & 2 \end{bmatrix}

8 / 38

[ 5 ] is a matrix with order ______

9 / 38

If A=\begin{bmatrix} 4 & 5 \end{bmatrix} and B = [ 5 ], then the which product is possible ?

10 / 38

Let A and B are two matrices of the same order and A+B=0, then A and B are said to be _____ of each other.

11 / 38

A Matrix is called _______ , if number of rows and columns are equal

12 / 38

Which is order of a square matrix?

13 / 38

\begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} Matrix is called _________

14 / 38

The order of a matrix [ 1   2 ] is _____

15 / 38

If A, B and C are three matrices such that AB=C, then ________ (Which is possible)

16 / 38

Adjoint of \begin{bmatrix} 1 & 2\\ 0 & -1 \end{bmatrix} is ________

A = \begin{bmatrix} -1 & -2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & -1 \end{bmatrix}

D = \begin{bmatrix} -1 & 0\\ 2 & 1 \end{bmatrix}

17 / 38

A square Matrix A is said to be _____ matrix if |A|=0.

18 / 38

Inverse of a Matrix A is equal to ________

19 / 38

\begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ____ Matrix

20 / 38

If \begin{vmatrix} 3 & -1\\ 0 & x \end{vmatrix}  = 3, then x is equal to _______

21 / 38

Order of Matrix \begin{bmatrix} 3\\ -1\\ 6 \end{bmatrix} is _______

22 / 38

Two Materices A and B are confirmable for multiplication if ______

23 / 38

If \begin{bmatrix} a+3 & 5\\ 6 & 4 \end{bmatrix} = \begin{bmatrix} 5 & 5\\ 6 & 4 \end{bmatrix} , then "a" is equal to ____

24 / 38

Order of transpose of \begin{bmatrix} 2 & 1\\ 0 & 1\\ 3 & 2 \end{bmatrix} is _______

25 / 38

An Identity Matrix (Unity Matrix) is always a _____

26 / 38

A square matrix in which non-diagonal elements are zero, whereas all diagonal elements are equal is called _______

 

27 / 38

A matrix obtained by interchanging Rows and Columns, is called _______ of matrix

28 / 38

If A is a Square Matrix and At =A, than A is called ________

29 / 38

Product of \begin{bmatrix} 2 & 0\\ 0 & 1 \end{bmatrix}\begin{bmatrix} -3 & 0\\ 0 & 4 \end{bmatrix} is ______ (Select correct option)

  1. \begin{bmatrix} -6 & 0\\ 0 & 4 \end{bmatrix}
  2. \begin{bmatrix} 6 & 0\\ 0 & 4 \end{bmatrix}
  3. \begin{bmatrix} 6 & 0\\ 0 & -4 \end{bmatrix}
  4. \begin{bmatrix} -6 & 0\\ 0 & -4 \end{bmatrix}

30 / 38

(AB)ˉ¹ = ______

31 / 38

The Matrix \begin{bmatrix} 1 & 2 \end{bmatrix} is a ______ Matrix.

32 / 38

if \begin{vmatrix} 2 & 6\\ 3 & x \end{vmatrix} = 0 then x is equal to ________

33 / 38

The order of Matrix \begin{bmatrix} 2 & 1 \end{bmatrix} is _______

34 / 38

\begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix} is called _________

35 / 38

Additive Inverse of \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix} is ______

A = \begin{bmatrix} 1 & 2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & 1 \end{bmatrix}

D = \begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix}

36 / 38

Matrix \begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ______

37 / 38

Product of \begin{bmatrix} x & 4 \end{bmatrix}\begin{bmatrix} 2\\ -1 \end{bmatrix} is _____

38 / 38

In Matrix multiplication, in general, A.B ___ B.A

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Math Solution 9th Class (Science Group)

Exercise 1.1           (English)            (Urdu)


Exercise 1.2           (English)            (Urdu)


Exercise 1.3           (English)            (Urdu)


Exercise 1.4           (English)            (Urdu)


Exercise 1.5           (English)            (Urdu)


Exercise 1.6           (English)            (Urdu)


Exercise 1-Rev      (English)            (Urdu)


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Exercise 2.1           (English)            (Urdu)


Exercise 2.2           (English)            (Urdu)


Exercise 2.3           (English)            (Urdu)


Exercise 2.4           (English)            (Urdu)


Exercise 2.5           (English)            (Urdu)


Exercise 2.6           (English)            (Urdu)


Exercise 2-Rev      (English)            (Urdu)


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Exercise 3.1           (English)            (Urdu)


Exercise 3.2           (English)            (Urdu)


Exercise 3.3           (English)            (Urdu)


Exercise 3.4           (English)            (Urdu)


Exercise 3-Rev      (English)            (Urdu)


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Exercise 4.1           (English)            (Urdu)


Exercise 4.2           (English)            (Urdu)


Exercise 4.3           (English)            (Urdu)


Exercise 4.4           (English)            (Urdu)


Exercise 4-Rev      (English)            (Urdu)


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Exercise 5.1           (English)            (Urdu)


Exercise 5.2           (English)            (Urdu)


Exercise 5.3           (English)            (Urdu)


Exercise 5.4           (English)            (Urdu)


Exercise 5-Rev      (English)            (Urdu)


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Exercise 6.1           (English)            (Urdu)


Exercise 6.2           (English)            (Urdu)


Exercise 6.3           (English)            (Urdu)


Exercise 6-Rev      (English)            (Urdu)


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Exercise 7.1           (English)            (Urdu)


Exercise 7.2           (English)            (Urdu)


Exercise 7.3           (English)            (Urdu)


Exercise 7-Rev      (English)            (Urdu)


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Exercise 8.1           (English)            (Urdu)


Exercise 8.2           (English)            (Urdu)


Exercise 8.3           (English)            (Urdu)


Exercise 8-Rev      (English)            (Urdu)


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Exercise 9.1           (English)            (Urdu)


Exercise 9.2           (English)            (Urdu)


Exercise 9.3           (English)            (Urdu)


Exercise 9-Rev      (English)            (Urdu)


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Exercise 10.1           (English)            (Urdu)


Exercise 10.2           (English)            (Urdu)


Exercise 10.3           (English)            (Urdu)


Exercise 10.4           (English)            (Urdu)


Exercise 10-Rev      (English)            (Urdu)


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Exercise 11.1           (English)            (Urdu)


Exercise 11.2           (English)            (Urdu)


Exercise 11.3           (English)            (Urdu)


Exercise 11.4           (English)            (Urdu)


Exercise 11.5           (English)            (Urdu)


Exercise 11-Rev      (English)            (Urdu)


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Exercise 12.1           (English)            (Urdu)


Exercise 12.2           (English)            (Urdu)


Exercise 12.3           (English)            (Urdu)


Exercise 12-Rev      (English)            (Urdu)


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Exercise 13.1           (English)            (Urdu)


Exercise 13.2           (English)            (Urdu)


Exercise 13-Rev      (English)            (Urdu)


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Exercise 14.1           (English)            (Urdu)


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Exercise 14-Rev      (English)            (Urdu)


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Exercise 15           (English)            (Urdu)


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Exercise 16.1           (English)            (Urdu)


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Exercise 17.1           (English)            (Urdu)


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Exercise 17.3           (English)            (Urdu)


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9th Class Math Solution:

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Class 9 Mathematics  Chapter-Wise MCQs


Category: 09th Math Startup

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Math Ch#1, 09th Class

Here MCQs for your Revision

For Good Revision & Grip on Concept, You Should take the MCQs and Revise it again and again

Good Luck. . . .  (:

Welcome

You Should Enter your Name

1 / 38

If \begin{vmatrix} 3 & -1\\ 0 & x \end{vmatrix}  = 3, then x is equal to _______

2 / 38

\begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix} is called _________

3 / 38

Two Materices A and B are confirmable for multiplication if ______

4 / 38

Product of \begin{bmatrix} x & 4 \end{bmatrix}\begin{bmatrix} 2\\ -1 \end{bmatrix} is _____

5 / 38

(AB)ˉ¹ = ______

6 / 38

If A is a Square Matrix and At =A, than A is called ________

7 / 38

Product of \begin{bmatrix} 2 & 0\\ 0 & 1 \end{bmatrix}\begin{bmatrix} -3 & 0\\ 0 & 4 \end{bmatrix} is ______ (Select correct option)

  1. \begin{bmatrix} -6 & 0\\ 0 & 4 \end{bmatrix}
  2. \begin{bmatrix} 6 & 0\\ 0 & 4 \end{bmatrix}
  3. \begin{bmatrix} 6 & 0\\ 0 & -4 \end{bmatrix}
  4. \begin{bmatrix} -6 & 0\\ 0 & -4 \end{bmatrix}

8 / 38

\begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ____ Matrix

9 / 38

Adjoint of \begin{bmatrix} 1 & 2\\ 0 & -1 \end{bmatrix} is ________

A = \begin{bmatrix} -1 & -2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & -1 \end{bmatrix}

D = \begin{bmatrix} -1 & 0\\ 2 & 1 \end{bmatrix}

10 / 38

In Matrix multiplication, in general, A.B ___ B.A

11 / 38

Two matrices are said to be confirmable for _______ if they have same order.

12 / 38

Order of Matrix \begin{bmatrix} 3\\ -1\\ 6 \end{bmatrix} is _______

13 / 38

A matrix is called a square matrix if its order is _____

14 / 38

A square matrix in which non-diagonal elements are zero, whereas all diagonal elements are equal is called _______

 

15 / 38

The order of Matrix \begin{bmatrix} 2 & 1 \end{bmatrix} is _______

16 / 38

A square Matrix A is said to be _____ matrix if |A|=0.

17 / 38

Matrix A + B can be found, if ________________

18 / 38

If \begin{bmatrix} a+3 & 5\\ 6 & 4 \end{bmatrix} = \begin{bmatrix} 5 & 5\\ 6 & 4 \end{bmatrix} , then "a" is equal to ____

19 / 38

if \begin{vmatrix} 2 & 6\\ 3 & x \end{vmatrix} = 0 then x is equal to ________

20 / 38

Which is order of a square matrix?

21 / 38

If for Matrix At = -A, then Matrix A is Called ______

22 / 38

The Matrix \begin{bmatrix} 1 & 2 \end{bmatrix} is a ______ Matrix.

23 / 38

Additive Inverse of \begin{bmatrix} 1 & -2\\ 0 & -1 \end{bmatrix} is ______

A = \begin{bmatrix} 1 & 2\\ 0 & 1 \end{bmatrix}

B = \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix}

C = \begin{bmatrix} -1 & 2\\ 0 & 1 \end{bmatrix}

D = \begin{bmatrix} 0 & 0\\ 0 & 0 \end{bmatrix}

24 / 38

[ 5 ] is a matrix with order ______

25 / 38

If A, B and C are three matrices such that AB=C, then ________ (Which is possible)

26 / 38

An Identity Matrix (Unity Matrix) is always a _____

27 / 38

Order of transpose of \begin{bmatrix} 2 & 1\\ 0 & 1\\ 3 & 2 \end{bmatrix} is _______

28 / 38

Inverse of a Matrix A is equal to ________

29 / 38

If A=\begin{bmatrix} 4 & 5 \end{bmatrix} and B = [ 5 ], then the which product is possible ?

30 / 38

Let A and B are two matrices of the same order and A+B=0, then A and B are said to be _____ of each other.

31 / 38

\begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} Matrix is called _________

32 / 38

A Matrix is called _______ , if number of rows and columns are equal

33 / 38

Matrix \begin{bmatrix} \sqrt{2} & 0\\ 0 & \sqrt{2} \end{bmatrix} is called ______

34 / 38

The Matrix of the same order _____ satisfy commutative law under addition.

35 / 38

Adjoint of \begin{bmatrix} 2 & 1\\ -1 & -3 \end{bmatrix} is ________

  1. \begin{bmatrix} -3 & -1\\ 1 & 2 \end{bmatrix}
  2. \begin{bmatrix} 3 & -1\\ 1 & 2 \end{bmatrix}
  3. \begin{bmatrix} -3 & 1\\ 1 & -2 \end{bmatrix}
  4. \begin{bmatrix} 2 & 1\\ 1 & 3 \end{bmatrix}

36 / 38

The order of a matrix [ 1   2 ] is _____

37 / 38

if X + \begin{bmatrix} -1 & -2\\ 0 & -1 \end{bmatrix} = \begin{bmatrix} 1 & 0\\ 0 & 1 \end{bmatrix} , then X is equal to ________

A = \begin{bmatrix} 2 & 2\\ 2 & 0 \end{bmatrix}

B = \begin{bmatrix} 0 & 2\\ 2 & 2 \end{bmatrix}

C = \begin{bmatrix} 2 & 0\\ 0 & 2 \end{bmatrix}

D = \begin{bmatrix} 2 & 2\\ 0 & 2 \end{bmatrix}

38 / 38

A matrix obtained by interchanging Rows and Columns, is called _______ of matrix

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Math Ch#2, 09th Class

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1 / 15

the value of \iota ^9 is ________

2 / 15

A non-terminating, non-recurring decimal represents ____________

3 / 15

Every Real number is _______

4 / 15

in \sqrt[3]{35} the Radicand is _________

5 / 15

Name the property of real number used in \left ( -\frac{\sqrt{5}}{2} \right )\times 1 = -\frac{\sqrt{5}}{2}

6 / 15

The real part of 2ab(\iota +\iota ^2) is ________

7 / 15

If we write \sqrt[7]{x} in exponential form _______ (Choose one option)

(a)  = x

(b) = x^{7}

(c) = x^{\frac{1}{7}}

(d) = x^{\frac{7}{2}}

8 / 15

Imaginary part of -ι (3ι +2) is _______

9 / 15

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

10 / 15

The conjugate of 5+4ι is ____________

11 / 15

if we write 4^{\frac{2}{3}} with radical sign then it is _________

(a) = \sqrt[3]{4^2}

(b) = \sqrt{4^3}

(c) = \sqrt[2]{4^3}

(d) = \sqrt{4^6}

(Choose Correct Option)

12 / 15

\left ( 27x^{-1} \right )^{\frac{-2}{3}} = _________ (Select Correct Option)

a) = \frac{\sqrt[3]{x^2}}{9}

b) = \frac{\sqrt[]{x^3}}{9}

c) = \frac{\sqrt[3]{x^2}}{8}

d) = \frac{\sqrt[]{x^3}}{8}

13 / 15

if x,y,z ∈ R, z<0, then x < y ⇒ __________

14 / 15

\left ( \frac{25}{16} \right )^\frac{-1}{2} = ________

15 / 15

Which of the following sets have the closure property w.r.t addition__________

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Math Ch#15, 9th Class

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1 / 19

Point of intersection of the median of a triangle divides then ratio __________

2 / 19

If two sides of a triangle are unequal in length, the angle of the longer side opposite to it is of means____

3 / 19

If 3cm and 4cm are two sides of a right angled triangle, then hypotenuse is _____

4 / 19

Which one of the following sets form a triangle?

5 / 19

Angle for the minimum distance of a point “p” from the line segment AB will be _____

6 / 19

If an isosceles right angles triangle, angle other than right angle is each of ______

7 / 19

If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a ____ triangle.

8 / 19

A line segment has how many mid points?

9 / 19

Two sides of a triangle measure 12cm and 16cm, which of the following measure is possible for the third side.

10 / 19

Which of the following are the sides of a right angle triangles?

11 / 19

In a scalene triangle, the angle opposite to the largest side of measure ___

12 / 19

If one acute angled triangle is 25°, the other acute angle is _______

13 / 19

If a, b and c are the sides of obtuse angle triangle, then the value of hypotenuse c is ____

14 / 19

Similar means that their corresponding angles are congruent and corresponding sides are___

15 / 19

Ratio between two elements “a and b” is represented as ______

16 / 19

How many obtuse angles in a triangle?

17 / 19

If adjacent angles of two intersecting lines are congruent then lines are _____

18 / 19

If ΔABC and ΔDEF are two similar triangles, then symbolically they are written as _____

19 / 19

Which of the following are the sides of a right angle triangles?

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Math Ch#4, 09th Class

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Welcome

You Should Enter your Name

1 / 15

The degree of polynomial 4x^{4}+ 2x^{2}y  is ___________

2 / 15

\frac{1}{2-\sqrt{3}} = ...............

  • 2 - \sqrt{3}
  • 2 + \sqrt{3}
  • -2 - \sqrt{3}
  • -2 + \sqrt{3}

(Select Correct Option)

3 / 15

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

4 / 15

2 (a^{2}+b^{2}) = (a+b)^{2} + (.............)^{^{2}}

5 / 15

\frac{1}{a-b}-\frac{1}{a+b} is equal to ______

  • \frac{2a}{a^{2}-b^{2}}
  • \frac{2b}{a^{2}-b^{2}}
  • \frac{-2a}{a^{2}-b^{2}}
  • \frac{-2b}{a^{2}-b^{2}}

(Select Correct Option)

6 / 15

(x+\frac{1}{x})^{2} = ................

  • x^{2}+\frac{1}{x^{2}}+2
  • x^{2}-\frac{1}{x^{2}}+2
  • x^{2}+\frac{1}{x^{2}}-2

(Select Correct Option)

7 / 15

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

  • a^{2}+b^{2}
  • a^{2}-b^{2}
  • a-b
  • a+b

(Select Correct Option)

8 / 15

Conjugate of surd   a + \sqrt{b}    is _________

  • -a + \sqrt{b}
  • a - \sqrt{b}
  • \sqrt{a} + \sqrt{b}
  • \sqrt{a} - \sqrt{b}

(Select Correct Option)

9 / 15

"4x +3y -2" is an algebraic _____________

10 / 15

Order of Surd \sqrt[3]{x} is ________

11 / 15

x²-4 =  ___________

12 / 15

x^{3}+\frac{1}{x^{3}} = \left ( x+\frac{1}{x} \right ) (_____________)

  • x^{2}-1+\frac{1}{x^{2}}
  • x^{2}+1+\frac{1}{x^{2}}
  • x^{2}-1-\frac{1}{x^{2}}
  • x^{2}+1-\frac{1}{x^{2}}

(Select Correct Option)

13 / 15

\frac{a^{^{2}}-b^{2}}{a+b} is equal to __________

14 / 15

a^{3} + b^{3}   is equal to  ____________

 

15 / 15

The Degree of polynomial x^{2}y^{2} + 3 x y +y^{3} is _________

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One thought on “9th Class Math MCQs Chapter-01”
  1. kzkazunect says:

    thank you very much

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