Factor $a - 2 a ^ { 9 }$ A) $a \left( 1 - 2 a ^ { 8 } \right)$

question 187

Multiple Choice

Factor. $a - 2 a ^ { 9 }$

• A) \(a \left( 1 - 2 a ^ { 8 } \right)\)
• B) \(2 a \left( 1 - a ^ { 7 } \right)\)
• C) \(a ( 1 - 2 a )\)
• D) \(a \left( 1 - 2 a ^ { 9 } \right)\)
• E) \(a \left( 1 - 2 a ^ { 12 } \right)\)

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Definitions:

Root Hairs

Thin, hair-like extensions from a plant's root system that increase surface area for water and nutrient absorption from the soil.

Endodermal Cells

Cells that make up the endoderm, the innermost layer of cells in early animal embryos, which eventually forms the lining of the digestive and respiratory systems.

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Protein channels in cell membranes that facilitate the transport of water and, in some cases, small solutes across the membrane.

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy input usually in the form of ATP.