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Q15.

Expert-verified
Found in: Page 410

### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

# Tell whether the ordered pair is a solution of the equation.$3x-5y=-1;\left(9,5\right)$

The ordered pair $\left(9,5\right)$ is not a solution for the given equation.

See the step by step solution

## Step 1. Given information.

The given equation is $x-2y=8$.

## Step 2. Calculation.

To check whether the ordered pair $\left(9,5\right)$ is a solution for the given equation or not, we will substitute coordinates of point $\left(9,5\right)$ in our given equation as shown below:

$\begin{array}{c}3x-5y=-1\left(\text{Given equation}\right)\\ 3\left(9\right)-5\left(5\right)=-1\left(\text{Substituting}x=9\text{and}y=5\right)\\ 27-25=-1\\ 2=-1\end{array}$

Since both sides of equation are equal, therefore, the ordered pair $\left(9,5\right)$ is a solution for the given equation.

## Step 3. Conclusion.

The given point is not the solution of the given equation.