A point P is reflected in the x - axis . Co - ordinates of its image are (8,-6).
Find the co - ordinates of the image of P under reflection in the y - axis.
A point P is reflected in the x - axis . Co - ordinates of its image are (8,-6).
Find the co - ordinates of the image of P under reflection in the y - axis.
Find the co - ordinates of the image of P under reflection in the y - axis.
Text Solution
AI Generated Solution
The correct Answer is:
To solve the problem step by step, we will first determine the coordinates of point P before reflection in the y-axis, given its image after reflection in the x-axis.
### Step 1: Understand the reflection in the x-axis
When a point (x, y) is reflected in the x-axis, the coordinates of the image become (x, -y).
### Step 2: Identify the coordinates of point P
We are given the coordinates of the image after reflection in the x-axis, which are (8, -6). Let’s denote the original point P as (x, y). According to the reflection rule, we can set up the following equations:
- x = 8 (the x-coordinate remains the same)
- -y = -6 (the y-coordinate changes sign)
### Step 3: Solve for the coordinates of point P
From the second equation, we can find the value of y:
- -y = -6
- y = 6
Thus, the coordinates of point P are (8, 6).
### Step 4: Reflect point P in the y-axis
Now, we need to find the coordinates of the image of point P under reflection in the y-axis. When a point (x, y) is reflected in the y-axis, the coordinates of the image become (-x, y).
### Step 5: Apply the reflection rule
Using the coordinates of point P (8, 6):
- The x-coordinate will change sign: -8
- The y-coordinate remains the same: 6
Thus, the coordinates of the image of point P under reflection in the y-axis are (-8, 6).
### Final Answer:
The coordinates of the image of P under reflection in the y-axis are (-8, 6).
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