Solve the System Using the Substitution Method

question 78

Multiple Choice

Solve the system using the substitution method. If the lines coincide, answer dependent . If the lines are parallel, answer no solution .

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Definitions:

Ethical Research

The practice of conducting studies and experiments in accordance with established ethical principles to ensure fairness, integrity, and respect for all participants.

Random Assignment

A method used in experiments to place participants into separate groups using randomization, which helps ensure that each group is similar at the start of the experiment.

Laboratory Experiment

A research method in which variables can be controlled and manipulated in a highly regulated environment to observe the effects on other variables.

Psychological Experiment

An investigation in which a researcher manipulates one or more variables to observe the effect on some behavior or mental process.