Mathematics 9th Class English Medium Unit 1 Online Test With Answers

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Mathematics 9th Class English Medium Unit 1 Online Test

Sr. # Questions Answers Choice
1 Transpose of row matrix is called ______ matrix: Identity Row Square Column
2 A square matrix M is said to be skew symmetric if Mt: M O -M I
3 If then Mtis called ______ Matrix: Skew-symmetric Symmetric Diagonal Scalar
4 Negative of is:
5 Transpose of A is denoted by: -A A A<sup>t</sup> (A<sup>t</sup>)<sup>t</sup>
6 is an example of _____ matrix: Square Row Column Rectangular
7 A matrix is called ______ matrix, if its number of rows is equal to its number of columns: Rectangular Row Column Square
8 is called _______ matrix: Square Row Column Rectangular
9 A matrix is called column matrix if it has only one: Column Row Diagonal None
10 The matrix M = [2 -1 7] is called: Row matrix Column matrix Diagonal matrix Zero matrix
11 A matrix is called a row matrix if it has only one _________: Column Row Diagonal None
12 If , than values of a and b are: a = -4, b = 7 a = 7, b = -4 a = 1, b = 3 Cannot be determine
13 If then which of the following statement is true: P = Q <p class="MsoNormal"><span style="font-size: 12pt; line-height: 107%;">P</span><span style="font-size: 4.5pt; line-height: 107%; font-family: Arial, &quot;sans-serif&quot;; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"></span><span style="font-size: 12pt; line-height: 107%;">≠ Q</span><span style="font-size:12.0pt;mso-bidi-font-size:28.0pt; line-height:107%;mso-fareast-font-family:&quot;Times New Roman&quot;;mso-fareast-theme-font: minor-fareast"><o:p></o:p></span></p> P &lt; Q P &gt; Q
14 Let A and B be two matrices. Then A is said to be equal to B, and denoted by A = B if and only if: Order of A = Order of B Corresponding entries are equal Either a or b Bot a and b
15 Order of transpose of is: 3-by-2 2-by-3 1-by-3 3-by-1
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