Solve by the Substitution Method

question 63

Multiple Choice

Solve by the substitution method.
-x + y = 6
5x + 5y = 30

• A)(0, 0)
• B)(6, 5)
• C)Infinite number of solutions
• D)(3, 3)

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Definitions:

Conclusions

The judgments or decisions reached by reasoning, often seen as the end result of a research study or analysis.

Confidence Intervals

A collection of values, obtained through sample analysis, which is thought to include the value of an undetermined population variable.

Test Statistics

A standardized value that is calculated from sample data during a hypothesis test and is used to determine whether to reject the null hypothesis.

Distributions

A statistical term describing all the possible values and their associated frequencies for a data set or variable.