Solve the System by Substitution $$\begin{array} { c } x - 3 y = 0 \\4 x - 3 y = - 18\end{array}$$

question 145

Multiple Choice

Solve the system by substitution.
- $$\begin{array} { c } x - 3 y = 0 \\4 x - 3 y = - 18\end{array}$$

• A) \(\{ ( - 6 , - 2 ) \}\)
• B) \(\{ ( - 5 , - 3 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( 2 , - 6 ) \}\)

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Definitions:

Bipolar Disorder

A mental disorder characterized by extreme mood swings, including episodes of mania and depression.

Manic Phase

A period characterized by elevated mood, overactivity, inflated self-esteem, and reduced need for sleep, often seen in bipolar disorder.

Bipolar Disorder

A psychiatric state defined by intense mood changes, from emotional peaks (hypomania or mania) to troughs (depression).

Hopelessness

Hopelessness is a state of despair where an individual feels a lack of optimism or hope for the future.