What is the dimension of Matrix A?

Matrix Multiplication with Desmos

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 by 2
2 by 3
3 by 1
2 by 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which condition must be met for two matrices to be multiplied?
The number of rows in the first matrix must equal the number of columns in the second matrix.
The first matrix must have more rows than the second matrix.
The number of columns in the first matrix must equal the number of rows in the second matrix.
Both matrices must have the same dimensions.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying a 2 by 3 matrix with a 3 by 1 matrix?
3 by 1 matrix
2 by 1 matrix
3 by 3 matrix
2 by 3 matrix
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the dimension of the product when multiplying a 3 by 2 matrix with a 2 by 3 matrix?
3 by 3
2 by 3
2 by 2
3 by 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the dimension of the product when multiplying Matrix C (2 by 3) with Matrix A (3 by 2)?
3 by 3
3 by 2
2 by 3
2 by 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do if you make a mistake while entering matrix elements in Desmos?
Press the left arrow to correct the mistake.
Start over from the beginning.
Ignore the mistake and continue.
Delete the matrix and re-enter all elements.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you verify the results of matrix multiplication in Desmos?
By checking if the product matrix is symmetric.
By ensuring the product matrix has more rows than columns.
By comparing the result with manual calculations.
By checking if the product is a square matrix.
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