Matrix Flashcard

Matrix Flashcard

Assessment

Flashcard

Mathematics

11th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

Back

(2 x 2)

2.

FLASHCARD QUESTION

Front

Name the dimensions of the matrix.

Back

2x4

3.

FLASHCARD QUESTION

Front

How many rows are in a 7 x 3 matrix?

Back

7

4.

FLASHCARD QUESTION

Front

What is a matrix?

Back

A rectangular array of numbers written within brackets.

5.

FLASHCARD QUESTION

Front

Add the following matrices: \[\begin{bmatrix} 11 & 8 \\ -4 & 2 \end{bmatrix} + \begin{bmatrix} 3 & 2 \\ -6 & -6 \end{bmatrix}\]

Back

\[\begin{bmatrix} 11+3 & 8+2 \\ -4-6 & 2-6 \end{bmatrix} = \begin{bmatrix} 14 & 10 \\ -10 & -4 \end{bmatrix}\]

6.

FLASHCARD QUESTION

Front

What are the dimensions of a matrix with 4 rows and 2 columns?

Back

4x2

7.

FLASHCARD QUESTION

Front

What is the identity matrix of size 2?

Back

\[\begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix}\]

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