Determinants and Matrices Quiz
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Questions and Answers

What are the roots of the equation $1 - 2x + 5x^2 = 0$?

  • $1, -2$
  • $-1, 2$ (correct)
  • $1, 2$
  • $-1, -2$

    • What is the value of $x$ in the equation $1 - 2x + 5x^2 = 0$?

  • $1, 9$
  • $1, -9$ (correct)
  • $-1, -9$
  • $-1, 9$

    • What is the value of $x$ in the equation $2x + 2 oot{3}{5} = 0$?

  • $1, -9$
  • $1, 9$ (correct)
  • $-1, -9$
  • $-1, 9$

    • What is the value of $x$ in the equation $1 + rac{1}{x} = 3$?

    <p>$4 + 7i$</p> Signup and view all the answers

    What is the value of $x$ in the equation $1 + e^x = 10$?

    <p>$0, \pm \sqrt{a^2 + b^2 + c^2}$</p> Signup and view all the answers

    What is the determinant of the matrix $\begin{pmatrix} 1 & 1 & 1 \ 1 & 2 & 3 \end{pmatrix}$?

    <p>0</p> Signup and view all the answers

    What are the roots of the equation $1 - 2x + 5x^2 = 0$?

    <p>$-1, 2$</p> Signup and view all the answers

    What is the value of $x$ in the equation $1 + \frac{1}{x} = 3$?

    <p>$2$</p> Signup and view all the answers

    What is the value of $x$ in the equation $1 + e^x = 10$?

    <p>$\ln{9}$</p> Signup and view all the answers

    What is the value of $\omega$ in the equation $1 + \omega + \omega^2 = 0$?

    <p>$-i$</p> Signup and view all the answers

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