9th Class Math Notes 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 A is a Square Matrix and At =A, than A is called ________

2 / 38

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

3 / 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}

4 / 38

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

5 / 38

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

6 / 38

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

7 / 38

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

 

8 / 38

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

9 / 38

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

10 / 38

The order of a matrix [ 1   2 ] is _____

11 / 38

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

12 / 38

Which is order of a square matrix?

13 / 38

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

14 / 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}

15 / 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}

16 / 38

An Identity Matrix (Unity Matrix) is always a _____

17 / 38

Inverse of a Matrix A is equal to ________

18 / 38

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

19 / 38

Two Materices A and B are confirmable for multiplication if ______

20 / 38

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

21 / 38

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

22 / 38

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

23 / 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}

24 / 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.

25 / 38

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

26 / 38

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

27 / 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}

28 / 38

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

29 / 38

Matrix A + B can be found, if ________________

30 / 38

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

31 / 38

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

32 / 38

[ 5 ] is a matrix with order ______

33 / 38

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

34 / 38

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

35 / 38

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

36 / 38

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

37 / 38

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

38 / 38

(AB)ˉ¹ = ______

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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)

Exercise 15-Rev   (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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1 / 12

In two similar triangles, ______ sides are proportional

2 / 12

Symbol to show similarity is used ________

3 / 12

______  points can be determine a line.

4 / 12

______ altitudes of equilateral triangle are congruent.

5 / 12

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

6 / 12

Unit of ratio is __________

7 / 12

Equality of _____ ratio is defined as proportion.

8 / 12

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

9 / 12

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

10 / 12

The line segment has only ___ point of bisection

11 / 12

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

12 / 12

________ has no unit.

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1 / 17

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

2 / 17

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

3 / 17

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

4 / 17

Every diagonal of a parallelogram divides it in ____ congruent 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

Area of a triangular region can be calculated as __________

8 / 17

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

9 / 17

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

10 / 17

Any diagonal of a parallelogram divides it in two _____ triangles

11 / 17

A quadrilateral having each angle 90 degree is called _____

12 / 17

The unit of area is _____________

13 / 17

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

14 / 17

Congruent figures are ____ in area.

15 / 17

Area of _______ is equal to = Base x Altitude

16 / 17

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

17 / 17

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

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1 / 14

For Common Logarithm the base is _________

2 / 14

log e = __________

where e ≈ 2.718

3 / 14

if        x=log y

then y is called the ________ of x

4 / 14

the value of log (\frac{p}{q}) is

5 / 14

Log_{y}x will be equal to ______________

  • \frac{Log_{z}x}{^{Log_{y}Z}}
  • \frac{Log_{x}Z}{^{Log_{y}Z}}
  • \frac{Log_{z}x}{^{Log_{z}y}}
  • \frac{Log_{z}y}{^{Log_{z}X}}

Select Correct Option

6 / 14

Log( m^{n}) can be written as____

  • (Log m)^{n}
  • m Log n
  • n Log m
  • Log (mn)

Select Correct Option

7 / 14

Log p - Log q is same as __________

  •  Log (\frac{p}{q})

  • Log ( p - q )

  • \frac{Log p}{Log q}

  • Log q - Log p

Select Correct Option

8 / 14

The Decimal part of the common Logarithm of a number is called ________

9 / 14

if a^{x} = n then

  • a = log_{x}n
  • x = log_{n}a
  • x = log_{a}n
  • a = log_{n}x

Select One Option

10 / 14

The logarithm of any number to itself as base is ____________

11 / 14

Log_{b}a  x  Log_{c}b  can be written as ______

  • Log_{a}c
  • Log_{c}a
  • Log_{a}b
  • Log_{b}c

which Option is Correct?

12 / 14

The logarithm of unity to any base is __________

13 / 14

The Relation y = log_{z}x implies

  • x^{y} = z
  • z^{y} = x
  • x^{z} = y
  • y^{z} = x

Select Correct Option

 

14 / 14

The Integral part of the common logarithm of a number is called the __________

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1 / 29

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

2 / 29

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

3 / 29

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

4 / 29

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

5 / 29

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

6 / 29

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

7 / 29

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

8 / 29

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

9 / 29

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

10 / 29

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

11 / 29

Cartesian plan is divided into ____ Quadrant

12 / 29

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

13 / 29

The point (5, 0) lies on ______

14 / 29

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

15 / 29

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

16 / 29

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

17 / 29

The point of intersection of two coordinate axis is called _______

18 / 29

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

19 / 29

The angle between two coordinate axis is _________

20 / 29

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

21 / 29

According to Pythagoras theorem (altitude)2 = ________

22 / 29

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

23 / 29

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

24 / 29

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

25 / 29

The point (0, 5) lies on _______

26 / 29

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

27 / 29

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

28 / 29

Graph of the equation x=a is a ________ line

29 / 29

Pythagoras is a _____ mathematician.

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