Factor the Expression Completely $9 z ^ { 2 } + 42 z + 49$

question 14

Multiple Choice

Factor the expression completely. $9 z ^ { 2 } + 42 z + 49$

• A) \(\quad ( 3 z - 7 ) ^ { 2 }\)
• B) \(\quad ( 3 z + 7 ) ( 3 z - 7 )\)
• C) \(\quad 7 ( 3 z + 7 )\)
• D) \(\quad ( 3 z + 7 ) ^ { 2 }\)

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Definitions:

Supports Life

Refers to conditions or environments that sustain and promote the growth and sustenance of living organisms.

Leeward Side

The side of an object or geographic formation that is sheltered from the prevailing wind.

Mountain Range

A series of connected mountains, typically aligned in a linear pattern, formed by various geological processes like tectonic plate movement.

Formation

The process or result of forming something or the structure and arrangement of something.