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

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1 / 38

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

2 / 38

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

3 / 38

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

4 / 38

The order of a matrix [ 1   2 ] is _____

5 / 38

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

6 / 38

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

7 / 38

An Identity Matrix (Unity Matrix) is always a _____

8 / 38

[ 5 ] is a matrix with order ______

9 / 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}

10 / 38

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

11 / 38

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

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

Two Materices A and B are confirmable for multiplication if ______

16 / 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}

17 / 38

Matrix A + B can be found, if ________________

18 / 38

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

19 / 38

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

20 / 38

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

21 / 38

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

22 / 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}

23 / 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.

24 / 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}

25 / 38

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

26 / 38

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

 

27 / 38

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

28 / 38

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

29 / 38

(AB)ˉ¹ = ______

30 / 38

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

31 / 38

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

32 / 38

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

33 / 38

Inverse of a Matrix A is equal to ________

34 / 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}

35 / 38

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

36 / 38

Which is order of a square matrix?

37 / 38

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

38 / 38

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

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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)


Exercise 14.2           (English)            (Urdu)


Exercise 14-Rev      (English)            (Urdu)


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Exercise 15           (English)            (Urdu)


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Exercise 16.1           (English)            (Urdu)


Exercise 16.2           (English)            (Urdu)


Exercise 16-Rev      (English)            (Urdu)


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Exercise 17.1           (English)            (Urdu)


Exercise 17.2           (English)            (Urdu)


Exercise 17.3           (English)            (Urdu)


Exercise 17.4           (English)            (Urdu)


Exercise 17.5           (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#4, 09th Class

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1 / 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)

2 / 15

x²-4 =  ___________

3 / 15

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

4 / 15

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

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

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

7 / 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)

8 / 15

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

9 / 15

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

 

10 / 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)

11 / 15

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

12 / 15

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

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

(Select Correct Option)

13 / 15

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

14 / 15

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

15 / 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)

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Math Ch#10, 9th Class

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Welcome

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1 / 13

A tringle has _____ elements.

2 / 13

If two angles of a triangle are ______then triangle is right angled triangle.

3 / 13

The sum of internal angle of any triangle is always_____

4 / 13

In ______ triangle, bisector of any one of its angles divided the triangle into congruent triangle.

5 / 13

In a triangle, there can be only ____ right angle.

6 / 13

Two line can intersect at ___ point only

7 / 13

The symbol used for perpendicular is ________

8 / 13

The symbol used for angle is ________

9 / 13

Two parallel lines can intersect each other at ___

10 / 13

In a right-angle isosceles triangle, each base angle is _____

11 / 13

The number of acute angles in an acute angled triangle is _____

12 / 13

Congruent triangles are having ____ size and shape

13 / 13

A ray has ____ end point.

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Math Ch#16, 9th Class

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1 / 17

Area of _______ is equal to = Base x Altitude

2 / 17

Congruent figures are ____ in area.

3 / 17

A rectangular region can be divided in two or more rectangular region by ____ ways.

4 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

5 / 17

The region enclosed by the bounding lines of a closed figure is called _______

6 / 17

Perpendicular distance between two parallel lines is _______ different.

7 / 17

The unit of area is _____________

8 / 17

A quadrilateral having each angle 90 degree is called _____

9 / 17

Every diagonal of a parallelogram divides it in ____ congruent triangles.

10 / 17

Altitude of any triangle is perpendicular distance from _____ to opposite side.

11 / 17

Area of parallelogram is equal to the ____ of the base and height.

12 / 17

If a and b are length and breadth of a rectangle then its area is _______

13 / 17

Parallelogram on equal and having the same / equal altitude are ____ in area.

14 / 17

Perpendicular from vertex of a angle to its opposite sides is called ______

15 / 17

A triangular region means the _____ of triangle and its interior.

16 / 17

The _____ of a triangle is the part of the plane enclosed by the triangle.

17 / 17

Area of a triangular region can be calculated as __________

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Math Ch#2, 09th Class

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Welcome

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1 / 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)

2 / 15

The conjugate of 5+4ι is ____________

3 / 15

the value of \iota ^9 is ________

4 / 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}

5 / 15

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

6 / 15

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

7 / 15

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

8 / 15

A non-terminating, non-recurring decimal represents ____________

9 / 15

Every Real number is _______

10 / 15

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

11 / 15

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

12 / 15

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

13 / 15

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

14 / 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}}

15 / 15

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

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

    thank you very much

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