Back to 11.7 Solving Systems with Inverses

Solving a 2 × 2 System Using the Inverse of a Matrix

Avg difficulty 2.5

Solve the given system of equations using the inverse of a matrix.

\begin{matrix}3 x + 8 y = 5 \\ 4 x + 11 y = 7\end{matrix}

OpenStax Algebra and Trigonometry 2e, 11.7 Solving Systems with Inverses, exercise 16

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.