Solve the System by the Addition Method $$\left\{ \begin{array} { l } 5 x - 2 y = - 1 \\7 x + 4 y = 53\end{array} \right.$$

question 101

Multiple Choice

Solve the system by the addition method.
- $$\left\{ \begin{array} { l } 5 x - 2 y = - 1 \\7 x + 4 y = 53\end{array} \right.$$

• A) \(\varnothing\)
• B) \(\{ ( 3,8 ) \}\)
• C) \(\{ ( 3,9 ) \}\)
• D) \(\{ ( x , y ) \mid 5 x - 2 y = - 1 \}\)

---

Definitions:

Lens

A transparent structure in the eye that focuses light rays onto the retina, allowing for clear vision.

Dim Light

A low level of illumination, often insufficient for clear vision without adaptation or additional light sources.

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light levels and responsible for black-and-white vision.

Green Cones

Photoreceptor cells found in the retina that are responsible for color vision, primarily sensitive to green light.