1. **State the problem:** We are given a circle with center Z and points Q, R, S, U, V on or inside the circle. We know QR = 4x - 2, SR = 10, ZU = 8, and ZV = 8. We need to find the values of $x$ and $VS$.
2. **Important properties and formulas:**
- Since Z is the center, ZU and ZV are radii of the circle, so $ZU = ZV = 8$.
- The perpendicular from the center to a chord bisects the chord.
- If V and U are the feet of perpendiculars from Z to chords, then V and U are midpoints of those chords.
3. **Find $x$:**
- Since V is the midpoint of chord SR, $SV = VR$.
- Given $SR = 10$, so $SV = VR = \frac{10}{2} = 5$.
- Given $QR = 4x - 2$, and since Q, R, S are points on the circle, and V is midpoint of SR, we consider the relationship between QR and SR.
- However, the problem does not provide direct relation between QR and SR, so we focus on the chord SR and the radius.
4. **Find $VS$:**
- Since V is midpoint of SR, $VS = 5$.
5. **Summary:**
- $x$ is not directly solvable with given data unless more information is provided.
- $VS = 5$ by midpoint property.
**Final answers:**
$$x = \text{not enough information}$$
$$VS = 5$$
Circle Chord 5E6Ce0
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