Mathematics 9th Class Chapter-01

9th Class Math MCQs Chapter-01

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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

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

2 / 38

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

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

[ 5 ] is a matrix with order ______

5 / 38

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

6 / 38

Matrix A + B can be found, if ________________

7 / 38

Two Materices A and B are confirmable for multiplication if ______

8 / 38

The order of a matrix [ 1   2 ] is _____

9 / 38

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

10 / 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}

11 / 38

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

12 / 38

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

13 / 38

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

14 / 38

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

15 / 38

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

16 / 38

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

17 / 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}

18 / 38

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

19 / 38

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

20 / 38

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

21 / 38

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

22 / 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.

23 / 38

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

24 / 38

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

25 / 38

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

26 / 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}

27 / 38

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

28 / 38

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

29 / 38

Inverse of a Matrix A is equal to ________

30 / 38

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

31 / 38

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

 

32 / 38

Which is order of a square matrix?

33 / 38

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

34 / 38

(AB)ˉ¹ = ______

35 / 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}

36 / 38

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

37 / 38

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

38 / 38

An Identity Matrix (Unity Matrix) is always 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 16-Rev      (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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1 / 12

Unit of ratio is __________

2 / 12

______  points can be determine a line.

3 / 12

The line segment has only ___ point of bisection

4 / 12

Equality of _____ ratio is defined as proportion.

5 / 12

If a : b=c : d then a, b, c and d are said to be in _____

6 / 12

________ has no unit.

7 / 12

Symbol to show similarity is used ________

8 / 12

One and only one line can be drawn through _____ points.

9 / 12

The ratio between two quantities “a and b” is expressed as _______

10 / 12

In two similar triangles, ______ sides are proportional

11 / 12

______ altitudes of equilateral triangle are congruent.

12 / 12

If adjacent angles of two intersecting lines are congruent then lines are ____ to each other.

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1 / 15

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

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

(Select Correct Option)

2 / 15

x²-4 =  ___________

3 / 15

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

4 / 15

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

5 / 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)

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

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

 

8 / 15

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

9 / 15

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

10 / 15

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

11 / 15

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

12 / 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)

13 / 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)

14 / 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)

15 / 15

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

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1 / 19

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

2 / 19

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

3 / 19

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

4 / 19

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

5 / 19

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

6 / 19

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

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

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

10 / 19

How many obtuse angles in a triangle?

11 / 19

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

12 / 19

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

13 / 19

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

14 / 19

Which one of the following sets form a triangle?

15 / 19

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

16 / 19

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

17 / 19

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

18 / 19

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

19 / 19

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

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1 / 18

Bisection means to divided the parallelogram into _______ triangles.

2 / 18

The circumcenter is used to _____ about a triangle.

3 / 18

Right bisection of three sides of triangle are _______

4 / 18

The right bisector of the sides of a ___________triangle, intersect each other on the hypotenuse.

5 / 18

Sum of interior angles of a quadrilateral is ________

6 / 18

How many mid points a line segment has?

7 / 18

In any triangle, ______ of angles are concurrent.

8 / 18

Bisection of an angle means to draw a ray to divide the given angle into ____ equal parts.

9 / 18

A line segment has _____ midpoint

10 / 18

Any point inside an ____ equidistant from its arms is on the bisector of it.

11 / 18

Tight bisectors of sides of an obtuse angles triangle meet _______

12 / 18

The distance between a line and a point on same line is _________

13 / 18

If the bisector of any angle of a triangle bisects side opposite to it, then the triangle is _______

14 / 18

If diagonals of a quadrilateral divide the figure in four congruent triable then the quadrilateral is  ____

15 / 18

Angle bisector of triangle are _______Concurrent

16 / 18

Right bisector of any _________ means to draw perpendicular which passes through the midpoint of a line segment.

17 / 18

In an acute angled triangle, _______ angles are less than 90 degree.

18 / 18

In any triangle, bisectors of _____ are concurrent (Similar)

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