
Understanding Systems of Equations and Matrices

Interactive Video
•
Mathematics, Computers
•
9th - 12th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a single equation in three dimensions represent geometrically?
A line
A plane
A cube
A point
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a system of equations be represented using matrices?
By using the coefficients to form a matrix
By using the constants to form a matrix
By using the solutions to form a matrix
By using the variables to form a matrix
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying a 3x3 matrix by a 3x1 vector?
A 3x3 matrix
A 3x1 vector
A scalar
A 1x3 vector
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true for matrix multiplication to be defined?
Both matrices must have the same dimensions
The number of rows in the first matrix must equal the number of columns in the second matrix
The number of columns in the first matrix must equal the number of rows in the second matrix
Both matrices must be square
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the matrix equation need to equal to solve the system of equations?
The original coefficients
The original constants
The original solutions
The original variables
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can representing equations as matrices lead to new solving methods?
By allowing for graphical solutions
By eliminating variables
By enabling the use of matrix transformations
By simplifying the equations
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a transformation matrix?
A matrix that changes the dimensions of a vector
A matrix that applies a transformation to a vector
A matrix that solves equations
A matrix that represents a plane
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