Solve the System by the Best Method \(\Left\{ \Begin{array} { R } 4 X = - 4

question 75

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- \(\left\{ \begin{array} { r } 4 x = - 4 - 8 y \\ 2 x - 5 y = 34 \\ \text { \end{array} \right.\)

• A)\(\{ ( 6 , - 3 ) \}\)
• B) \(\{ ( 7 , - 3 ) \}\)
• C) \(\{ ( 7 , - 4 ) \}\)
• D) no solution; \(\varnothing\)

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Definitions:

Butanal

An organic compound belonging to the aldehyde group, with the chemical formula C4H8O, characterized by a four-carbon straight chain and a terminal aldehyde group.

Pentanal

An organic compound, also known as amyl aldehyde, with the formula C5H10O, characterized by its aldehyde group and used in flavoring and perfume formulations.

Hexanal

Hexanal is an organic compound commonly found as a component of fragrances and flavors, characterized by a grassy or fruity smell.

Ethylbutanal

A chemical compound with a distinctive smell, often used in flavoring and fragrance manufacturing.