Decide Whether the Equation Is an Identity, a Conditional Equation $$5 ( 4 x - 4 ) - 20 x + 20 = 0$$

question 89

Multiple Choice

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $$5 ( 4 x - 4 ) - 20 x + 20 = 0$$

• A) Conditional; \(\{ 0 \}\)
• B) Contradiction; \(\varnothing\)
• C) Conditional; \(\{ 4 \}\)
• D) Identity; {all real numbers }

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Definitions:

Proteins

Large, complex molecules made up of amino acids that perform a vast array of functions within organisms, including structural support, transporting molecules, and catalyzing metabolic reactions.

Phylum

A taxonomic grouping of related, similar classes; a category beneath the kingdom and above the class.

Chordata

A phylum of animals possessing a notochord at some stage in their development, including vertebrates like fish, amphibians, reptiles, birds, and mammals.

Vertebrata

A subphylum of chordates that includes animals with backbones or spinal columns.