which rays are part of line be?
o $ \overrightarrow { a c } $ and $ \overrightarrow { a e } $
o $ \overrightarrow { a b } $ and $ \overrightarrow { a e } $
o $ \overrightarrow { a c } $ and $ \overrightarrow { a b } $
o $ \overrightarrow { a b } $ and $ \overrightarrow { a f } $

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Accepted Answer

# Explanation:
## Step1: Recall the definition of a ray
A ray has one endpoint and extends infinitely in one direction. A line has no endpoints and extends infinitely in both directions. A line can be thought of as being composed of two opposite - direction rays with the same initial point.
## Step2: Analyze the line $BE$
The line $BE$ passes through points $B$ and $E$ (with $A$ on the line $BE$). The ray $\overrightarrow{AB}$ starts at $A$ and goes through $B$ (in the direction away from $E$), and the ray $\overrightarrow{AE}$ starts at $A$ and goes through $E$ (in the direction away from $B$). Together, $\overrightarrow{AB}$ and $\overrightarrow{AE}$ make up the line $BE$ (since a line is the union of two opposite - direction rays with the same initial point).
- For $\overrightarrow{AC}$ and $\overrightarrow{AE}$: $\overrightarrow{AC}$ is not on the line $BE$.
- For $\overrightarrow{AC}$ and $\overrightarrow{AB}$: $\overrightarrow{AC}$ is not on the line $BE$.
- For $\overrightarrow{AB}$ and $\overrightarrow{AF}$: $\overrightarrow{AF}$ is not on the line $BE$.

# Answer:
$\overrightarrow{AB}$ and $\overrightarrow{AE}$ (the second option: $\bigcirc\overrightarrow{AB}$ and $\overrightarrow{AE}$)

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Question

Explanation:

Step1: Recall the definition of a ray

Step2: Analyze the line \(BE\)

Answer: