At What Point on the Curve $x = t ^ { 3 } , y = 9 t , z = t ^ { 4 }$

question 131

Multiple Choice

At what point on the curve $x = t ^ { 3 } , y = 9 t , z = t ^ { 4 }$ is the normal plane parallel to the plane $3 x + 9 y - 4 z = 8 ?$
Select the correct answer.

• A) \(( - 9,1,1 )\)
• B) \(( - 1 , - 9,1 )\)
• C) \(( 9,18 , - 2 )\)
• D) \(( - 18,9,1 )\)
• E) \(( - 1 , - 3,9 )\)

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Definitions:

Parallel Forms Reliability

A measure of reliability used to assess the consistency of the results of two tests constructed in the same way from the same content domain.

Content Validity

The extent to which a test or measurement instrument covers the content that it is supposed to measure.

Split-Half Reliability

A measure of consistency where a test is divided into two parts and the scores on both halves are compared.

Correlation Coefficient

A statistical measure that calculates the strength and direction of the relationship between two variables, ranging from -1 to 1.