Solve
- $$7 x ^ { 2 } = - 9 x - 3$$

question 9

Multiple Choice

Solve.
- $$7 x ^ { 2 } = - 9 x - 3$$

• A) \(- \frac { 9 } { 14 } \pm \frac { \sqrt { 3 } } { 14 }\)
• B) \(\frac { 9 } { 14 } \pm \frac { \sqrt { 3 } } { 14 }\)
• C) \(- \frac { 9 } { 14 } \pm \frac { \sqrt { 3 } } { 14 } \mathrm { i }\)
• D) \(\frac { 9 } { 14 } \pm \frac { \sqrt { 3 } } { 14 } \mathrm { i }\)

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Definitions:

Objective Lens

The lens in a microscope closest to the specimen, which collects light and focuses the image into the eyepiece.

Fine Adjustment Knob

A control knob on microscopes used to make precise adjustments to the focus of the specimen being viewed.

Electrical Plug

A device for making an electrical connection between an appliance and the electricity supply.

Objective Lens

The lens in a microscope closest to the specimen, crucial for magnifying the image.