Simplify the Rational Expression $$\frac { y ^ { 2 } + 6 y + 9 } { y ^ { 2 } + 9 y + 18 }$$

question 71

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { y ^ { 2 } + 6 y + 9 } { y ^ { 2 } + 9 y + 18 }$$

• A) \(\frac { 6 y + 1 } { 9 y + 2 }\)
• B) \(\frac { 6 y + 9 } { 9 y + 18 }\)
• C) \(\frac { y + 3 } { y + 6 }\)
• D) Cannot be simplified

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Definitions:

IRB

IRB (Institutional Review Board) is a committee established to review and approve research involving human subjects, ensuring that the research is ethical and the rights and welfare of participants are protected.

Binomial Effect Size Display

A method for displaying and understanding more clearly the magnitude of an effect reported as a correlation, by translating the value of r into a 2 × 2 table comparing predicted with obtained results.

Correlation Coefficients

Statistical measures that indicate the strength and direction of a relationship between two variables.

Reliability Coefficients

Statistical measures that indicate the consistency or stability of a test's scores across different administrations or parts of the test.