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Course: Test Everything QE Sandbox > Unit 1

Lesson 17: Matrix

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Matrix exercise

Google Classroom

The following system of equations is represented by the matrix equation

A [\begin{array}{ccc} x \\ y \\ z \end{array}] = \vec{b}

.

$\begin{aligned} 12 x + 15 y + 2 z & = 19 \\ x - 8 y + 6 z & = 14 \\ 15 x + 12 y - 6 z & = 3 \end{aligned}$ ‍


$A =$ ‍	$\vec{b} =$ ‍

Represent each row and column in the order in which the variables and equations appear.