$\left\{\begin{array}{rr}6 x+y= & 0 \\-6 x+y= & -12\end{array}\right.$ A) $( - 1 , - 6 )$

question 20

Multiple Choice

$\left\{\begin{array}{rr}6 x+y= & 0 \\-6 x+y= & -12\end{array}\right.$

• A) \(( - 1 , - 6 )\)
• B) \(( 1,12 )\)
• C) \(( - 1,6 )\)
• D) \(( 1 , - 6 )\)

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Definitions:

Hydrate

A compound that contains water molecules bound to another compound or within its crystal structure.

Benzophenone

A compound used in organic synthesis and as a photoinitiator, characterized by a central benzene ring bonded to two carbonyl groups.

Triphenylmethanol

A white crystalline solid organic compound, used often as an intermediate in the synthesis of other chemicals.

Toluene

A flammable liquid hydrocarbon that is extracted from coal tar and petroleum, used as a solvent and chemical feedstock.