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The image you've uploaded shows a geometry quiz asking to determine if the notations for different objects (such as lines, planes, and segments) are correct or incorrect.

Let me guide you through solving this:

### Object E: \( \overleftrightarrow{PR} \)
- This notation represents a line. Points \( P \) and \( R \) are correct points on the line, so the notation seems correct.

### Object F: (A quadrilateral with points \( G, K, H, J \))
- No specific notation is shown for this quadrilateral. However, if the object intends to name a plane or shape based on points, it would typically be named as "Quadrilateral \( GKHJ \)" or referred to as "Plane \( GHJ \)" (if it is a 2D plane). Without more details, I can't assess this one clearly.

### Object G: \( \overleftrightarrow{DF} \)
- This should represent a line. However, the diagram shows a segment between \( D \) and \( F \), which means the notation \( \overline{DF} \) would be more appropriate for a line segment. Thus, \( \overleftrightarrow{DF} \) seems incorrect.

### Object H: \( \overrightarrow{MT} \)
- This denotes a ray starting from point \( M \) and passing through point \( T \). If the diagram shows that the direction starts at \( M \) and extends through \( T \), this notation is correct.

### Plane \( \mathscr{G} \)
- The symbol \( \mathscr{G} \) typically represents a plane, which appears correct if the diagram depicts a plane.

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Would you like more details or explanations on any specific part?

### Related questions:
1. What is the difference between a line, a line segment, and a ray?
2. How do we name a plane in geometry?
3. What are common mistakes in geometric notation?
4. How can we verify if two points define a unique line?
5. How do we represent a ray and what are its key characteristics?

#### Tip:
Always verify the visual representation (line, segment, ray) to ensure the notation matches the diagram.

For each object, determine if the notation is correct or incorrect.

Assess if the geometric notations for lines, rays, segments, and planes are correct. This question focuses on geometric notation and the distinction between lines, rays, line segments, and planes. Suitable for middle and high school students in Grades 8-10.

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