What is the main focus of this tutorial?

Solving Systems of Equations

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solving quadratic equations
Finding the determinant of a matrix
Solving a system of equations with infinitely many solutions
Graphing linear equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is part of the given system of equations?
x - y = 1
3x + 3y + 3z + 3w = 3
2x + 3y + 4z + 5w = 2
x + y = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving the system of equations?
Substituting values
Finding the inverse of the matrix
Writing the augmented matrix
Graphing the equations
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of performing row operations?
To find the determinant
To simplify the matrix
To graph the equations
To solve for one variable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the row operation on the second row?
0 0 0 0 0
0 1 2 3 -4
1 2 3 4 -1
1 0 0 0 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean when a variable is 'free'?
It is equal to zero
It is not part of the solution
It can take any real number value
It has a fixed value
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the row-reduced echelon form?
It simplifies the process of finding solutions
It is used to find the inverse
It helps in graphing the equations
It determines the determinant
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