Solve the System by the Method of Substitution $$\left\{ \begin{array} { r } x ^ { 2 } + 2 y = 0 \\x ^ { 2 } - 6 x - y = 0\end{array} \right.$$

question 127

Multiple Choice

Solve the system by the method of substitution.Check your solution(s) graphically. $$\left\{ \begin{array} { r } x ^ { 2 } + 2 y = 0 \\x ^ { 2 } - 6 x - y = 0\end{array} \right.$$

• A)(0, 4), (0, -8)
• B)(0, 0), (4, 8)
• C)(0, 0), (-4, -8)
• D)(4, 0), (0, -8)
• E)(0, 0), (4, -8)

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Definitions:

Experimenter Biasing

Refers to a situation in research where the expectations or preferences of the researcher inadvertently influence the participants or the results of the study.

Demand Characteristics

Subtle cues or signals in an experimental environment that influence the participants' behavior or responses.

Deception

The act of causing someone to accept as true or valid what is false or invalid.

Psychological Experiment

A research method involving the manipulation of variables to study cause and effect relationships in behavior and mental processes.