Understanding Cramer's Rule for Solving Systems of Equations
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method involves using matrices and determinants to solve systems of linear equations?
Substitution method
Cramer's rule
Elimination method
Graphing method
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in setting up matrices for Cramer's rule?
Replace coefficients with solutions
Write the equations in standard form
Calculate the inverse of the matrix
Identify the coefficients of the variables
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving for x using Cramer's rule, what do you replace in the matrix?
The coefficients of y
The entire matrix
The coefficients of x
The solutions of the equations
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the determinant of a 2x2 matrix?
Multiply the diagonals and add them
Add all the elements of the matrix
Multiply all the elements of the matrix
Subtract the product of one diagonal from the product of the other
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the solution to the system of equations in the example provided?
(-1, 3)
(1, -3)
(3, -1)
(2, 3)
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