Identify the Property Illustrated by the Statement $\frac { 1 } { ( a + 7 ) } \cdot ( a + 7 ) = 1$

question 68

Multiple Choice

Identify the property illustrated by the statement. Assume all variables represent real numbers.
- $\frac { 1 } { ( a + 7 ) } \cdot ( a + 7 ) = 1$ , if $a + 7 \neq 0$

• A) Inverse
• B) Closure
• C) Identity
• D) Distributive

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Definitions:

Energize Output

The process of activating an output device, such as a motor or relay, based on the logic conditions met in a control program.

XIC Instruction

In Ladder Logic programming for PLCs, an instruction representing "Examine If Closed"; used to check if a contact is on.

Physical Input

An actual, tangible input (such as a button press or sensor signal) received by a device or system.

Input Voltage

The electrical voltage supplied to the inputs of a device or circuit.