Use the Quadratic Formula to Solve the Equation $$2 y ^ { 2 } - 7 y - 9 = 0$$

question 101

Multiple Choice

Use the quadratic formula to solve the equation.
- $$2 y ^ { 2 } - 7 y - 9 = 0$$

• A) \(\left\{ \frac { 2 } { 9 } , 0 \right\}\)
• B) \(\left\{ \frac { 2 } { 9 } , - 1 \right\}\)
• C) \(\left\{ \frac { 2 } { 9 } , 1 \right\}\)
• D) \(\left\{ \frac { 9 } { 2 } , - 1 \right\}\)

---

Definitions:

Energy Storage

The capture of energy produced at one time for use at a later time, using devices or systems such as batteries, capacitors, or mechanical storage systems.

Charge Rate

The rate at which an electric battery or accumulator is charged or discharged, measured in amperes.

μ F

A unit of capacitance, microfarads, representing one-millionth of a farad, used to quantify the storage potential of capacitors.

k Ω

A unit of electrical resistance equal to one thousand ohms, often used in electronics and electrical engineering.