Solve the System of Equations Using the Addition Method $$\begin{array} { l } 5 x + 6 y = - 7 \\- 5 x - 13 y = 21\end{array}$$

question 109

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } 5 x + 6 y = - 7 \\- 5 x - 13 y = 21\end{array}$$

• A)(5, 2)
• B)(1, -2)
• C)(-1, 2)
• D)(-5, -2)

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Definitions:

Spherical

Having the shape or form of a sphere, meaning it is perfectly round in all directions.

Optic Disc

The point on the retina at which the optic nerve fibers exit the eye, creating the blind spot as it lacks photoreceptors.

Fovea Centralis

A small depression in the retina of the eye where visual acuity is highest, due to the concentration of cone cells.

Blind Spot

The blind spot is an area on the retina without photoreceptors where the optic nerve exits the eye, resulting in a gap in the visual field.