Matrices Word Problems

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a matrix in mathematics?
Back
A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
2.
FLASHCARD QUESTION
Front
How do you represent a system of linear equations in matrix form?
Back
A system of linear equations can be represented in matrix form as Ax = B, where A is the coefficient matrix, x is the variable matrix, and B is the constant matrix.
Tags
CCSS.HSA.REI.C.8
3.
FLASHCARD QUESTION
Front
What is the purpose of using matrices in solving word problems?
Back
Matrices simplify the representation and solution of systems of equations, making it easier to analyze relationships between variables.
Tags
CCSS.HSA.CED.A.3
4.
FLASHCARD QUESTION
Front
What is the coefficient matrix in a system of equations?
Back
The coefficient matrix is a matrix that contains the coefficients of the variables in a system of linear equations.
Tags
CCSS.HSA.REI.C.8
5.
FLASHCARD QUESTION
Front
What is the constant matrix in a system of equations?
Back
The constant matrix is a matrix that contains the constant terms from the right side of the equations in a system of linear equations.
Tags
CCSS.HSA.REI.C.8
6.
FLASHCARD QUESTION
Front
How do you solve a system of equations using matrices?
Back
You can solve a system of equations using matrices by finding the inverse of the coefficient matrix (if it exists) and multiplying it by the constant matrix.
Tags
CCSS.HSA.REI.C.9
7.
FLASHCARD QUESTION
Front
What is the significance of the determinant in matrix operations?
Back
The determinant is a scalar value that can indicate whether a matrix is invertible; if the determinant is zero, the matrix is not invertible.
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