Cramer's Rule Flashcard

Flashcard
•
Mathematics
•
10th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Cramer's Rule?
Back
Cramer's Rule is a mathematical theorem used to solve systems of linear equations with as many equations as unknowns, using determinants.
2.
FLASHCARD QUESTION
Front
What is a determinant in the context of matrices?
Back
A determinant is a scalar value that is a function of the entries of a square matrix and provides important properties of the matrix, such as whether it is invertible.
3.
FLASHCARD QUESTION
Front
How do you calculate the determinant of a 2x2 matrix?
Back
4.
FLASHCARD QUESTION
Front
What is the formula for the determinant of a 3x3 matrix?
Back
5.
FLASHCARD QUESTION
Front
What is the significance of the determinant being zero?
Back
If the determinant of a matrix is zero, it indicates that the matrix is singular, meaning it does not have an inverse and the system of equations may have no solution or infinitely many solutions.
6.
FLASHCARD QUESTION
Front
How do you set up a system of equations for Cramer's Rule?
Back
7.
FLASHCARD QUESTION
Front
What is the x-coordinate solution using Cramer's Rule?
Back
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