A line contains the points (6, -3) and (3, 1). When this line is reflected across the y-axis, what are the two new points?
1. (-6, -3) and (3, 1)
2. (6, 3) and (3, -1)
3. (-6, -3) and (-3, 1)
4. (-6, 3) and ( -3, -1)
The line is reflected across the y-axis, which means the x-coordinates of the points will change sign (become negative) while the y-coordinates remain the same.
Point (6, -3) becomes (-6, -3)
Point (3, 1) becomes (-3, 1)
Therefore, the two new points after reflecting across the y-axis are (-6, -3) and (-3, 1).
The answer is option 3. (-6, -3) and (-3, 1)