Choose the One Alternative That Best Completes the Statement or Answers

question 201

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The 8 th term in the expansion of $( x - 2 y ) ^ { 13 }$

• A) \(109,824 x ^ { 6 } y ^ { 8 }\)
• B) \(- 219,648 x ^ { 6 } y ^ { 7 }\)
• C) \(- 219,648 x ^ { 7 } y ^ { 6 }\)
• D) \(109,824 x ^ { 7 } y ^ { 6 }\)

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Definitions:

Quartz

A hard, crystalline mineral composed of silicon dioxide, widely used in jewelry and as an industrial abrasive.

Feldspar

A group of silicate minerals that are among the most abundant minerals in the Earth's crust, commonly found in igneous, metamorphic, and sedimentary rocks.

Calcite

A common naturally occurring calcium carbonate mineral, often found in sedimentary rocks, and the primary mineral that makes up limestone.

Chemical Elements

Substances that cannot be broken down into simpler substances by chemical means, and are defined by the number of protons in their atomic nuclei.