Factor the Trinomial, If Possible $7 x ^ { 2 } - 15 x y - 18 y ^ { 2 }$

question 52

Multiple Choice

Factor the trinomial, if possible.
- $7 x ^ { 2 } - 15 x y - 18 y ^ { 2 }$

• A) \(( 7 x + 3 y ) ( x - 6 y )\)
• B) \(y ( 7 x + 6 ) ( x - 3 )\)
• C) prime
• D) \(( 7 x + 6 y ) ( x - 3 y )\)

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Definitions:

Representativeness

The extent to which a sample or study findings accurately reflect the broader population from which they were drawn, affecting the generalizability of research conclusions.

Positive Predictive Value

The probability that individuals with a positive test result actually have the disease in question, measuring the test's accuracy.

Prevalence

The proportion of individuals in a population who have a specific disease or attribute at a specified point in time or over a specified period.

Cross-Sectional Studies

Studies that observe a population or a representative subset at one specific point in time.