Simplify the Expression $$( - 9 x ) ( 7 y )$$

question 78

Multiple Choice

Simplify the expression. $$( - 9 x ) ( 7 y )$$

• A) \(- 63 x ^ { 2 } y ^ { 2 }\)
• B) \(63 x y\)
• C) \(- 16 x y\)
• D) \(- 63 x y\)
• E) \(- 16 ( x - y )\)

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Definitions:

Six Sigma

A set of techniques and tools for process improvement aimed at reducing defects and improving quality, utilizing statistical methods.

99.9997%

A statistical figure often associated with the Six Sigma quality control methodology, indicating a defect-free rate in a process.

Incremental Change

signifies a gradual, step-by-step approach to change, emphasizing evolutionary rather than revolutionary shifts.

Discontinuous Change

A significant, sudden, or radical transformation that disrupts the existing order or manner of functioning within a system or organization.