Use the Discriminant to Determine the Number and Type of Solutions

question 251

Multiple Choice

Use the discriminant to determine the number and type of solutions of the equation.
- $$x ^ { 2 } + 6 x - 7 = 0$$

• A) Two real solutions
• B) Two complex but not real solutions
• C) One real solution

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Definitions:

Intermolecular

Pertaining to forces or interactions occurring between molecules, affecting their physical properties and behaviors.

Halite

A mineral commonly known as rock salt, composed primarily of sodium chloride (NaCl), and typically forms from evaporated seawater.

Chlorine

A chemical element with symbol Cl and atomic number 17, a yellow-green gas at room temperature, widely used in water purification, in disinfectants, and in the production of various chemicals.

Sodium

A chemical element with the symbol Na, known for its high reactivity and essential role in biological systems, especially in nerve impulse conduction.