Back to 11.1 Systems of Linear Equations: Two Variables

11.1 Exercise 34

Avg difficulty 2.5

Determine whether the given ordered pair is a solution to the system of equations.

$\begin{matrix}−2 x + 5 y = 7 \\ 2 x + 9 y = 7\end{matrix}$ and $\left(−1 , 1\right)$

OpenStax Algebra and Trigonometry 2e, 11.1 Systems of Linear Equations: Two Variables, exercise 34

AI Tutor

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.