kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics - 2
6.13 Matrix Revision - II

1. Identity Matrix:-
A square matrix in which each element along the principal diagonal is '1' and all the other elements are zero is called a identity matrix or unit matrix.

2. Square matrix:-
In a matrix if the number of rows is equal to the number of columns it is called a square matrix.

3. Scalar Matrix:-
A square matrix in which all the element in the principal diagonal are equal and the rest of the elements are zeros is called a scalar matrix.

4. Transpose of a Matrix:-
The matrix obtained by interchanging the rows and columns of a given matrix is called the transpose of the given matrix.

5. Skew Symmetric Matrix:-
If the transpose of a matrix is equal to the additive inverse of a given matrix, then the given matrix is called "Skew symmetric matrix"

6. If A and B are two matrices such that the number of columns in A is equal to the number of rows in B, then only matrix multiplication is possible in A and B.

7. Two matrices are equal if and only if they are of the same order and their corresponding elements are equal.


Directions: Answer the following questions. Also write five examples of each matrix.
Q 1: A matrix having only one row is called a _______ matrix.
column
row

Q 2: A matrix in which the number of rows is not equal tot he number of columns is called a _____ matrix.
Rectangular
Square

Q 3: One of the following is a 3 3 matrix.

b
c
d
a

Q 4: If a matrix is equal to its transpose it is called a ______ matrix.
Skew symmetric
Symmetric

Q 5: An identity matrix is a square matrix, in which the elements of the principal diagonal are each '1' and all other elements are zero.
True
False

Q 6: A matrix in which each element is zero is called a ______ matrix.
identity
zero

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer