Question

Which of the following actions will best help her find out whether the two equations in the system are in fact parallel

Answer 1

Check to see whether the slope of both lines are the same (option A)

Step-by-step explanation:
`\begin{gathered} \text{Given} \\ y\text{ - x = }21 \\ 2y\text{ = 2x + 16} \end{gathered}`

When two system of equations do not intersect, the lines are said to be parallel lines.

This means there is no solution.

To determine if the lines are trully parallel, the slope of each equation need to be determined.

For parallel lines, the slope will be the same

The best action to help her find out whether the two equations are inded parallel, Check to see whether the slope of both lines are the same (option A)