Vector (Cross) Product: If and Are Nonzero Vectors

question 3

Multiple Choice

Vector (cross) product: If and are nonzero vectors for which ∙ = 0, it must follow that

• A) × = 0.
• B) is parallel to .
• C) | × | = AB.
• D) | × | = 1.

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Definitions:

Negative Number

A number less than zero, typically represented with a minus sign in front, indicating a value opposite to its positive counterpart.

Null Hypothesis

A hypothesis that there is no significant difference or effect, typically used as a starting assumption in hypothesis testing.

Two-Tailed

Pertains to a test of significance where the critical area of a distribution is two-sided and tests whether a sample is either greater than or less than a certain range of values.

Degrees Of Freedom

The number of values in a statistical calculation that are free to vary without violating the constraints of the calculation.