Solve the Pair of Linear Equations by Addition $\begin{array} { l } 15 x + 4 y = 29 \\16 x + 5 y = 28\end{array}$

question 109

Multiple Choice

Solve the pair of linear equations by addition. $\begin{array} { l } 15 x + 4 y = 29 \\16 x + 5 y = 28\end{array}$ If there is one common solution, select the correct ordered pair of the point of intersection. If there is no one common solution, select either parallel or coincide for the correct answer.

• A) \(( 3 , - 4 )\)
• B) \(( 4,5 )\)
• C) \(( 4 , - 4 )\)
• D) The lines are parallel.
• E) The lines coincide.

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Definitions:

Single Scan Test Mode

A diagnostic mode in programmable controllers where the system executes one program scan, useful for troubleshooting and testing.

On-Line Program Mode

Refers to a state where a device, such as a computer or PLC, can be programmed and controlled in real-time while connected to a network or system.

Contact Histogram

A graphical representation that displays the distribution of contact points or events over a specified time period.

Transition History

A record of the changes in state or condition that has occurred over a particular period of time.