Flashcards
Matrices
Flashcards do conjunto (28)
- 1—D.
0.5 - 2—B.(6, 7)
- 3Joanne bought 3 baseball cards for $160. If the first card was as expensive as the combined price of the second and the third cards, and the second card cost $20 more than the third card, what is the price of the first card? A. 80 B. 50 C. 100 D. 60A.
80 - 4—C and D
- 5The commutative property holds for the _____ of two matrices but does not hold for the______ of two matrices.addition
subtraction - 6—C
- 7—C.
5 × 3
- 8—C
- 9—-393, -74, 287
-471, 222, -91
251, -222, -349
- 10—C
- 11—C
- 12—D
- 13—-12
14
- 14—D
- 15—D
- 16—-7
-25
- 17—C
- 18—1st
3rd
- 19—2
11
11
-2
(https://brainly.com/question/11348371)
- 20—2nd
3rd
- 21—B
- 22Which statement about inverse matrices is true? A. An inverse matrix is always a square matrix. B. An inverse matrix is never a square matrix. C. The determinant of an inverse matrix is always zero. D. There always exists a square matrix A-1 for which AA-1 = l.A.
An inverse matrix is always a square matrix. - 23—B
- 24—C.
No, because its determinant is zero.
- 25—C
- 26—4th
6th
- 27—3
-10.5
- 28—B
Informações
- Descrição
- - Gauss-Jordan Elimination - Matrices and Matrix Operations - The Determinant of a Matrix - Scalar Multiplication of Matrices - Matrix Multiplication - Solving Systems of Linear Equations with an Inverse Matrix - Vectors and Matrices
- Criado por
- Elexali Olayvar
- Visualizações
- 55
- Avaliação