1. To find an endpoint of the line segment after rotating 90 degrees clockwise, we can use the formula for rotating a point (x, y) by 90 degrees clockwise: (x', y') = (y, -x).
Using this formula, we can rotate each endpoint of the line segment:
Endpoint (0, -3) becomes ( -3, 0) after rotating 90 degrees clockwise.
Endpoint (0, -7) becomes (-7, 0) after rotating 90 degrees clockwise.
Therefore, an endpoint of the rotated segment is (-3, 0).
2. To rotate a point (-4, 6) 180 degrees counterclockwise, we can use the formula for rotating a point (x, y) by 180 degrees counterclockwise: (x', y') = (-x, -y).
Using this formula, we can rotate the given point:
(-4, 6) becomes (4, -6) after rotating 180 degrees counterclockwise.
Therefore, the resulting point after rotating is (4, -6).
3. When reflecting a figure over the y-axis, the orientation of the figure remains the same. Counterclockwise orientation remains counterclockwise, and clockwise orientation remains clockwise.
Therefore, the orientation of the reflected figure is counterclockwise (D. the reflected figure has a counterclockwise orientation).
4. To translate the triangle with vertices (4,3), (8,3), and (7,5) to the right 4 units and down 2 units, we simply add the corresponding values to the x and y coordinates.
(4,3) translated becomes (4+4, 3-2) = (8, 1)
(8,3) translated becomes (8+4, 3-2) = (12, 1)
(7,5) translated becomes (7+4, 5-2) = (11, 3)
Therefore, the vertices of the translated figure are (8,1), (12,1), and (11,3).
5. The transformation(s) that will result in a figure that has the same orientation as the original figure are:
- Translation
- Reflection over a line that keeps the orientation unchanged
- Multiple rotations around a point that add up to a full turn (360 degrees)