# Quiz: Linear Equations and Matrix Entreis

## Problem 86

• Linear Equations
• Matrix entries.

There are two questions.
After completing the quiz, click View questions to see the solutions.

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##### Companion Matrix for a Polynomial

Consider a polynomial $p(x)=x^n+a_{n-1}x^{n-1}+\cdots+a_1x+a_0,$ where $a_i$ are real numbers. Define the matrix \[A=\begin{bmatrix} 0 & 0 & \dots & 0...

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