Without Solving, Determine the Character of the Solutions of the Equation

question 82

Multiple Choice

Without solving, determine the character of the solutions of the equation.
- $$x ^ { 2 } - 8 x + 16 = 0$$

• A) a repeated real solution
• B) two complex solutions that are conjugates of each other
• C) two unequal real solutions

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Definitions:

Haworth Structure

A way of depicting cyclic sugars in a planar ring form, useful in illustrating the stereochemistry of the molecule.

Ethyl β-D-Galactopyranoside

A chemical compound that consists of ethyl and galactose molecules, where the galactose component is in the pyranose ring form and the anomeric carbon is in the beta configuration.

Methyl Glycoside

A compound resulting from the reaction of a sugar with methanol where the sugar's anomeric carbon is linked to a methoxy group.

Galactose

A simple sugar (monosaccharide) that, together with glucose, forms lactose, the principal sugar in milk.