The Graph of the Equation $7 x + 2 y + 6 z = 9$

question 5

Short Answer

The graph of the equation $7 x + 2 y + 6 z = 9$ is a flat surface called a __________.

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Definitions:

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure how the other tested groups do.

Experimental Group

The group in an experiment that receives the variable being tested, as opposed to the control group, which does not.

Dependent Variable

This is the variable in experimental research that is expected to change as a result of manipulations to the independent variable.

Random Assignment

A method used in experiments to place participants into either a control or experimental group, ensuring that each has an equal chance of being assigned to any given group.