Matrices Practice Skills 2014

33 Questions | Total Attempts: 134

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Training Quizzes & Trivia

Questions and Answers
  • 1. 
    The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below. 
  • 2. 
    Matrix A and Matrix D are equal matrices
    • A. 

      True

    • B. 

      False

  • 3. 
    P is a row matrix.
    • A. 

      True

    • B. 

      False

  • 4. 
    AK is undefined, but KA is defined.
    • A. 

      True

    • B. 

      False

  • 5. 
    The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below. 
  • 6. 
    AK is undefined, but KA is defined.
    • A. 

      True

    • B. 

      False

  • 7. 
    Matrix K has a determinant of 3.
    • A. 

      True

    • B. 

      False

  • 8. 
    The product matrix of DA will be a 2x3 matrix
    • A. 

      True

    • B. 

      False

  • 9. 
    The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below. 
  • 10. 
    The element could be the value 5.
    • A. 

      True

    • B. 

      False

  • 11. 
    There are two matrices for which a determinant may be derived
    • A. 

      True

    • B. 

      False

  • 12. 
    The matrix multiplication of QK would deliver a product matrix with the order 1x2
    • A. 

      True

    • B. 

      False

  • 13. 
    The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below. 
  • 14. 
    P is a row matrix.
    • A. 

      True

    • B. 

      False

  • 15. 
    Q is a column matrix.
    • A. 

      True

    • B. 

      False

  • 16. 
    What is the determinant for the above matrix?
  • 17. 
    What is the determinant for the above matrix?
  • 18. 
    What is the determinant for the above matrix?
  • 19. 
    What is the determinant for the above matrix?
  • 20. 
    The determinant for the above matrix is zero. What is the value of x?
  • 21. 
    The determinant for the above matrix is 15. What is the value of x?
  • 22. 
    The determinant for the above matrix is -15. What is the value of x?
  • 23. 
    A pair of equations is said to be 'inconsistent'. Which of the option below would describe the matrix equations.
    • A. 

      The number matrix (A) must be a square matrix

    • B. 

      Determinant will be a negative number

    • C. 

      Determinant will be a positive number

    • D. 

      Determinant will be zero

    • E. 

      The number matrix (A) must be a 2x2 matrix

    • F. 

      There will be no solutions for this matrix equation

    • G. 

      There will be one set of solutions for this matrix equation

    • H. 

      There will be an infinite number of solutions for this matrix equation

  • 24. 
    A pair of equations is said to be 'dependent'. Which of the option below would describe the matrix equations.
    • A. 

      The number matrix (A) must be a square matrix

    • B. 

      Determinant will be a negative number

    • C. 

      Determinant will be a positive number

    • D. 

      Determinant will be zero

    • E. 

      The number matrix (A) must be a 2x2 matrix

    • F. 

      There will be no solutions for this matrix equation

    • G. 

      There will be one set of solutions for this matrix equation

    • H. 

      There will be an infinite number of solutions for this matrix equation

  • 25. 
    A pair of equations is said to be neither 'dependent' nor 'indpendent'. Which of the options below would describe the matrix equations.
    • A. 

      The number matrix (A) must be a square matrix

    • B. 

      Determinant will not be zero

    • C. 

      Determinant will be zero

    • D. 

      The number matrix (A) must be a 2x2 matrix

    • E. 

      There will be no solutions for this matrix equation

    • F. 

      There will be one set of solutions for this matrix equation

    • G. 

      There will be an infinite number of solutions for this matrix equation