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

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

2 / 38

Which is order of a square matrix?

3 / 38

The order of a matrix [ 1   2 ] is _____

4 / 38

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

5 / 38

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

6 / 38

An Identity Matrix (Unity Matrix) is always a _____

7 / 38

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

8 / 38

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

9 / 38

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

10 / 38

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

11 / 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}

12 / 38

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

13 / 38

Inverse of a Matrix A is equal to ________

14 / 38

Two Materices A and B are confirmable for multiplication if ______

15 / 38

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

16 / 38

[ 5 ] is a matrix with order ______

17 / 38

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

18 / 38

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

19 / 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}

20 / 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}

21 / 38

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

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

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

24 / 38

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

25 / 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}

26 / 38

Matrix A + B can be found, if ________________

27 / 38

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

28 / 38

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

 

29 / 38

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

30 / 38

(AB)ˉ¹ = ______

31 / 38

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

32 / 38

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

33 / 38

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

34 / 38

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

35 / 38

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

36 / 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.

37 / 38

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

38 / 38

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

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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)

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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)

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Exercise 12.1           (English)            (Urdu)

Exercise 12.2           (English)            (Urdu)

Exercise 12.3           (English)            (Urdu)

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Exercise 13.1           (English)            (Urdu)

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Exercise 14.1           (English)            (Urdu)

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Exercise 16.1           (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 / 13

Two parallel lines can intersect each other at ___

2 / 13

The symbol used for angle is ________

3 / 13

The sum of internal angle of any triangle is always_____

4 / 13

A ray has ____ end point.

5 / 13

The symbol used for perpendicular is ________

6 / 13

Two line can intersect at ___ point only

7 / 13

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

8 / 13

A tringle has _____ elements.

9 / 13

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

10 / 13

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

11 / 13

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

12 / 13

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

13 / 13

Congruent triangles are having ____ size and shape

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1 / 29

The point (5, 0) lies on ______

2 / 29

In ordered pair (a, b), a is called as ________

3 / 29

If ordered pair (x, y) is in 2nd quadrant then ______

4 / 29

The graph of the equation y=b is a line and at a distance of b unit from _______ points on x-axis

5 / 29

Cartesian plan is divided into ____ Quadrant

6 / 29

For equation 2x+y=6, order pair _____ is the solution of equation.

7 / 29

In two-dimensional plan, the vertical line is called ______

8 / 29

If a, b, and c are the side of right-angle triangle and c is hypotenuse then according to the Pythagoras theorem _________

9 / 29

n the equation M=f(k), which statement is true?

10 / 29

According to Pythagoras theorem (altitude)2 = ________

11 / 29

If the equation y=mx, y-coordinate of every point is ____ times of x-coordinate.

12 / 29

In Cartesian coordinate plane, the point (3, -4) is located in ________

13 / 29

The point (0, 5) lies on _______

14 / 29

The point of intersection of two coordinate axis is called _______

15 / 29

the plan formed by two straight lines perpendicular to each other, these lines are called ______

16 / 29

In a right-angle triangle, larger angle measures as _______

17 / 29

The angle between two coordinate axis is _________

18 / 29

the plan formed by two straight lines perpendicular to each other, this plan is called _______

19 / 29

Graph of the equation x=a is a ________ line

20 / 29

If “A” and “B” are any two sets then their cartesian product is denoted by ______

21 / 29

If ordered pair (x, y) is in 1st quadrant then ______

22 / 29

Pythagoras is a _____ mathematician.

23 / 29

In ordered pair (a, b), b Is called _______

24 / 29

The line of the equation x=3 is parallel to _______

25 / 29

If ordered pair (x, y) is in 4th quadrant then ______

26 / 29

In two-dimensional plan, the horizontal line is called ______

27 / 29

In equation y=mx+c, if x=0 then line is parallel to __________

28 / 29

In Cartesian plan, the point (2,0) lies on _______

29 / 29

A n-ordered associated with a point in 2-dimensional plane is called _____

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1 / 16

The point of concurrency of three perpendicular bisector of triangle is called _____

2 / 16

A triangle having two sides congruent is called ________

3 / 16

The right bisector of the sides of ______ triangle intersect each other inside the triangle.

4 / 16

If three points lie on the same line, then these points are called _________

5 / 16

Medians of a triangle are ________

6 / 16

If a point is equidistant from the end point of a line segment, then it must lie on its ____

7 / 16

The right bisectors of the sides of ____ triangle intersect each other the triangle.

8 / 16

Median of a triangle divide it into _____ triangle of equal area.

9 / 16

_____ congruent triangles can be made by joining, the mid-point of the sides of a triangle.

10 / 16

The medians of a triangle are _______

11 / 16

The point of concurrency of the three altitudes of a triangle is called ________

12 / 16

All three altitudes of _____ are concurrent.

13 / 16

____ congruent triangles can be made by joining the midpoint of the sides of a triangle.

14 / 16

If two medians of a triangle are congruent then the triangle will be _______

15 / 16

The bisectors of the angle of triangle are ______

16 / 16

The right bisectors of triangle are ________

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1 / 15

(x+y)(x^{2}-xy+y^{2}) = ................

  • (x^{3}-y^{3})
  • (x^{3}+y^{3})
  • (x+y)^{3}
  • (x-y)^{3}

(Select Correct Option)

2 / 15

____________ =  \frac{x^{2}}{y^{2}}-2+\frac{y^{2}}{x^{2}}

  • \left ( \frac{x}{y} +\frac{y}{x}\right )^{2}
  • \left ( \frac{x}{y} -\frac{y}{x}\right )^{2}
  • \left ( \frac{y}{x} +\frac{x}{y}\right )^{2}

3 / 15

Factors of 27x^{2}-\frac{1}{x^{3}}  are ____________

  • \left ( 3x-\frac{1}{x} \right )\left ( 9x^{2}+3+\frac{1}{x^{2}} \right )
  • \left ( 3x+\frac{1}{x} \right )\left ( 9x^{2}+3+\frac{1}{x^{2}} \right )
  • \left ( 3x-\frac{1}{x} \right )\left ( 9x^{2}-3+\frac{1}{x^{2}} \right )
  • \left ( 3x+\frac{1}{x} \right )\left ( 9x^{2}-3+\frac{1}{x^{2}} \right )

(Select Correct Option)

4 / 15

if x-2 is factor of    p(x) = x^{2}+2kx+8    , then k = _______

5 / 15

The Factors of x^{2} - 5x + 6 are_________

6 / 15

Factors of 8x^{3} +27y^{3} are ___________

  • (2x+3y), (4x^{2}+9y^{2})
  • (2x-3y), (4x^{2}-9y^{2})
  • (2x+3y), (4x^{2}-6xy+9y^{2})
  • (2x-3y), (4x^{2}+6xy+9y^{2})

(Select Correct Option)

7 / 15

x^{2}+5x+6  can factorize as _____________

8 / 15

Factors of 3x^{2}-x-2 are __________

9 / 15

Find m so that x^{2}+4x+m is a completed square_____

10 / 15

4a^{2}+4ab+(...........) is a complete square

  • b^{2}
  • 2b
  • ab

(Select Correct Option)

11 / 15

Factors of a^{4}-4b^{4} are _________

  • (a-b), (a+b), (a^{2}+4b^{2})
  • (a-b), (a+b), (a^{2}-4b^{2})
  • (a^{2}-2b^{2}), (a^{2}+2b^{2})
  • (a-2b), (a^{2}+2b^{2})

(Select Correct Option)

12 / 15

What will be added to complete the square of 9a^{2}-12ab _______

  • -16b^{2}
  • 16b^{2}
  • 4b^{2}
  • -4b^{2}

(Which Option is Correct)

13 / 15

4a^{2}-16 can be factorize as __________

14 / 15

Factors of 5x^{2}-17xy-12y^{2} are _____

15 / 15

Factored form of x^{2}-16 is ___________

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