Final answer:
Point Y at (2, 7) would be translated to (-1, 9) after being moved 3 units to the left and 2 units up. There seems to be an error in the provided answer choices, as none of them correspond to the calculated coordinates.
Step-by-step explanation:
The student has asked where point Y' in polygon X'Y'Z' would be located after a translation of 3 units to the left and 2 units up from the original position of point Y at coordinates (2, 7). To answer this, we need to apply the translation to point Y's coordinates.
A translation in the Cartesian coordinate system involves shifting a point a certain number of units along the x-axis and the y-axis. Since we are moving 3 units to the left, we subtract 3 from the x-coordinate, and since we are moving 2 units up, we add 2 to the y-coordinate.
Subtraction of 3 units from the x-coordinate of point Y gives us:
x-coordinate: 2 - 3 = -1
Adding 2 units to the y-coordinate of point Y gives us:
y-coordinate: 7 + 2 = 9
Therefore, the new coordinates for point Y' are (-1, 9), which is not listed in the provided answer choices. There appears to be a mistake in the choices, as none of them match the calculated coordinates.