Solving Matrix Equations — Unit test Answers
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What is the determinant of ?
A
–24B
–3C
3D
452
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What is the area of a triangle with vertices at (–3, 3), (2, 3), and (4, 7)?
A
5 square unitsB
10 square unitsC
20 square unitsD
40 square units3
The linear system below represents the sales of large and small popcorn servings at a movie theater for two consecutive days.What is the size of the augmented matrix for this system?
A
Option
B
Option
C
Option
D
Option
4
What is the value of the element in row 1, column 1 of matrix X?
A
Option
B
4C
8yD
05
Which matrix will always give a determinant of 0?
A
a matrix having all nonzero numbersB
a matrix not being the identity matrixC
a matrix not having equal rowsD
a matrix having two equal rows6
Matrix X is shown below.If matrices X and Y are equal, what is the value of
A
7.5B
27C
40D
49.57
Which property is shown in the matrix addition below?
A
associative propertyB
identity propertyC
inverse propertyD
commutative propertyDid you find these answers helpful?
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