Use the Five-Step Strategy for Solving Word Problems to Find $y _ { 1 } = x _ { 1 } y _ { 2 } = 7 + x , y _ { 3 } = 3 ( x - 8 ) + 10 x$

question 87

Multiple Choice

Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
- $y _ { 1 } = x _ { 1 } y _ { 2 } = 7 + x , y _ { 3 } = 3 ( x - 8 ) + 10 x$ , and the sum of 8 times $y _ { 1 }$ and 4 times $y _ { 2 }$ equals $y _ { 3 }$ .

• A) \(\{ 52 \}\)
• B) \(\{ 15 \}\)
• C) \(\{ - 52 \}\)
• D) \(\{ - 15 \}\)

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Definitions:

Instantaneous Peak Value

The highest absolute value of a varying quantity (voltage or current) at a given instant.

Triplens

Harmonics in an electrical system that are multiples of the third harmonic (e.g., 3rd, 9th, 15th), often causing additional heating in neutral wires.

Sequence

The order in which events, movements, or things follow each other or are arranged serially.

Transformer

An electrical device that transfers electrical energy between two or more circuits through electromagnetic induction, typically changing the voltage and current levels.