1129860
Descripción
Test por Clint Givens, actualizado hace más de 1 año
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Creado por Clint Givens
hace casi 10 años
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Pregunta 1
Pregunta
A matrix has determinant zero if and only if it is ...
Respuesta
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singular
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invertible
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square
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diagonal
Pregunta 2
Pregunta
A matrix which represents a linear transformation \(T: \mathbb{R}^2 \to \mathbb{R}^3\) has dimensions ...
Respuesta
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2x3
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3x2
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2x3 or 3x2
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3x3
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2x2
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2x2 or 3x3
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There is no matrix representation for such a transformation.
Pregunta 3
Pregunta
A linear system of two equations with three unknowns could have ...
Respuesta
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no solutions
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exactly one solution
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infinitely many solutions
Pregunta 4
Pregunta
Which of the following are possible values for the rank of a 3x5 matrix?
Respuesta
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1
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3
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4
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5
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8
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15
Pregunta 5
Pregunta
Which of the following are elementary row operations?
Respuesta
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Multiplying each entry in the row by a nonzero constant
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Interchanging the position of two rows
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Replacing a row with the sum of itself and a multiple of another row
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Rearranging the order of the entries within a row
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Replacing a row with the sum of two other rows
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Adding a nonzero constant to each entry in a row
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