Class 9 math Practice Tests

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The *Matrices addition and subtraction Multiple Choice Questions (MCQ Quiz) with Answers PDF* (Matrices Addition and Subtraction MCQ PDF e-Book) download to practice Grade 9 Math Tests. Learn Matrices and Determinants Multiple Choice Questions and Answers (MCQs), Matrices Addition and Subtraction quiz answers PDF to learn online school courses. The *Matrices Addition and Subtraction MCQ* App: Download free learning app for matrices: addition and subtraction, matrix, types of matrices test prep for free online classes.

The MCQ: *In real numbers, additive identity is;* "Matrices: Addition and Subtraction" App Download (Free) with answers: 1; 3; 0; −1; to learn online school courses. Solve Matrices and Determinants Quiz Questions, download Google eBook (Free Sample) for online school courses.

We can subtract two matrices A and B if their

- elements are same
- order is same
- rows are same
- columns are same

b

In real numbers, the additive identity is

- 1
- 3
- 0
- −1

c

If A, B and C matrices are of same order and (a + b) + C = A + (b + c), this law is known as

- Cramer's law
- distributive law
- commutative law
- associative law

d

A scalar is denoted by

- n
- k
- r
- a

b

We can add two matrices having real numbers A and B if their

- order is same
- rows are same
- columns are same
- elements are same

a

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