Solve the System $$\begin{array} { l } 2 x - y - 3 = 0 \\- 4 x + 2 y + 6 = 0\end{array}$$

question 201

Multiple Choice

Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.
- $$\begin{array} { l } 2 x - y - 3 = 0 \\- 4 x + 2 y + 6 = 0\end{array}$$

• A) \(\{ ( x , 4 x - 3 ) \}\)
• B) \(\{ ( x , 3 - 2 x ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( x , 2 x - 3 ) \}\)

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Definitions:

z

A standard score indicating how many standard deviations an element is from the mean in a normal distribution.

Standard Normal Random Variable

A random variable that is normally distributed with a mean of 0 and a standard deviation of 1.

P

Often used as shorthand for the p-value in statistical contexts, indicating the probability of observing certain results given a null hypothesis.

z

In statistics, 'z' often stands for the z-score, a measure of how many standard deviations an element is from the mean.