Multiply
- $$( 7 x y + 8 z ) ( 7 x y - 8 z )$$

question 169

Multiple Choice

Multiply.
- $$( 7 x y + 8 z ) ( 7 x y - 8 z )$$

• A) \(49 x ^ { 2 } y ^ { 2 } - 112 x y z - 64 z ^ { 2 }\)
• B) \(x ^ { 2 } y ^ { 2 } - 64 z ^ { 2 }\)
• C) \(49 x ^ { 2 } y ^ { 2 } + 112 x y z - 64 z ^ { 2 }\)
• D) \(49 x ^ { 2 } y ^ { 2 } - 64 z ^ { 2 }\)

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Definitions:

Percentage Change

A mathematical calculation that indicates the degree of change over time, expressed as a percentage, often used to measure growth or decline in economic indicators.

Price Elasticity

A measure of how much the quantity demanded or supplied of a good responds to a change in its price, indicating how sensitive the quantity is to price changes.

Quantity Demanded

The cumulative quantity of a product or service that buyers are ready and capable of buying at a certain price level.

Elasticity Coefficient

A numeric value that measures the responsiveness of the quantity demanded or supplied of a good to a change in its price.