Solve the System of Linear Equations Using Any Method, Find $\left\{ \begin{array} { r } 9 x - 2 y = 1 \\- 3 x + 2 y = 7\end{array} \right.$

question 96

Multiple Choice

Solve the system of linear equations using any method, find (x,y) . $\left\{ \begin{array} { r } 9 x - 2 y = 1 \\- 3 x + 2 y = 7\end{array} \right.$

• A) \(\left( \frac { 3 } { 4 } , \frac { 2 } { 11 } \right)\)
• B) \(\left( \frac { 8 } { 3 } , \frac { 11 } { 2 } \right)\)
• C) No solution
• D) \(\left( \frac { 4 } { 3 } , \frac { 11 } { 2 } \right)\)
• E) \(\left( \frac { 1 } { 3 } , \frac { 5 } { 2 } \right)\)

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Definitions:

Moles

A chemical unit of measure that denotes an amount of substance containing approximately 6.022 x 10^23 particles.

Water

A chemical compound with the formula H2O, consisting of two hydrogen atoms bonded to an oxygen atom, essential for most forms of life.

Moles

A unit of measurement used in chemistry to express amounts of a chemical substance, defined as the amount containing exactly 6.02214076×10²³ particles.

Isopropanol

Also known as isopropyl alcohol, a colorless, flammable chemical compound with a strong odor, used as a solvent and disinfectant.