Solve the System by Graphing $\left\{\begin{array}{l}x-3 y=-3 \\2 x+3 y=12\end{array}\right.$ A) $\{ ( 2,3 ) \}$

question 30

Multiple Choice

Solve the system by graphing. If there is no solution or an infinite number of solutions, so state. Use set notation to
express the solution set.
- $\left\{\begin{array}{l}x-3 y=-3 \\2 x+3 y=12\end{array}\right.$

• A) \(\{ ( 2,3 ) \}\)
• B) no solution; \(\varnothing\)
• C) \(\{ ( 3,2 ) \}\)
• D) \(\{ ( 3 , - 2 ) \}\)

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Definitions:

Heat of Vaporization

The amount of energy required to turn a liquid into a gas at its boiling point.

Heat of Fusion

The amount of energy required to change a substance from the solid phase to the liquid phase at its melting point without changing its temperature.

Phase Graph

A graphical representation showing the various phases (solid, liquid, gas) of a substance as a function of temperature and pressure.

Specific Heat Capacity

A physical property that describes the amount of heat energy required to raise the temperature of a substance by one degree Celsius (or one Kelvin).