Pregunta
If a point has the coordinates (5, -3), which axis is it closer to: the x-axis or the y-axis? Justify your answer.
Ask by Reyes Colon. in South Africa
Feb 03,2025
Solución de tutoría real
Respuesta verificada por el tutor
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The point (5, -3) is closer to the x-axis because its y-coordinate's absolute value (3) is less than its x-coordinate's absolute value (5).
Solución
To determine which axis the point **(5, -3)** is closer to—the **x-axis** or the **y-axis**—we can calculate the perpendicular distance from the point to each axis.
### Distance to the **x-axis**
The distance from a point to the x-axis is determined by the absolute value of its **y-coordinate**.
\[
\text{Distance to x-axis} = |y| = |-3| = 3 \text{ units}
\]
### Distance to the **y-axis**
Similarly, the distance from a point to the y-axis is determined by the absolute value of its **x-coordinate**.
\[
\text{Distance to y-axis} = |x| = |5| = 5 \text{ units}
\]
### Comparison
- **Distance to x-axis**: **3 units**
- **Distance to y-axis**: **5 units**
Since **3 units** (distance to the x-axis) is less than **5 units** (distance to the y-axis), the point **(5, -3)** is **closer to the x-axis**.
### Visual Representation
Here's a simple diagram to illustrate:
```
y
|
| (5, -3)
| *
|
|_________________ x
```
- The point (5, -3) is **3 units** away vertically from the x-axis.
- It is **5 units** away horizontally from the y-axis.
Therefore, the point is closer to the **x-axis**.
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The Deep Dive
To determine which axis the point (5, -3) is closer to, we look at the distances to each axis. The distance to the x-axis is the absolute value of the y-coordinate, which is |-3| = 3. The distance to the y-axis is the absolute value of the x-coordinate, which is |5| = 5. Since 3 (the distance to the x-axis) is less than 5 (the distance to the y-axis), the point (5, -3) is closer to the x-axis.
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