To determine the lines of reflection that will flip the quadrilateral ABCD (whose vertices are at the coordinates A(-4,3), B(5,3), C(5,-2), and D(-4,-2)) onto itself, we can analyze the figure.
Step 1: Identify the Center of the Figure
The vertices indicate that the quadrilateral is a rectangle, since opposite sides are equal and parallel. We can find the center of the rectangle by averaging the x-coordinates and y-coordinates:
- \(x\)-coordinates: \((-4 + 5) / 2 = 0.5\)
- \(y\)-coordinates: \((3 + (-2)) / 2 = 0.5\)
The center of the rectangle is at (0.5, 0.5).
Step 2: Determine the Lines of Reflection
-
Vertical Line of Reflection:
- The line of reflection that divides the rectangle vertically will be the vertical line that passes through its center.
- Since the center's x-coordinate is 0.5, the line of reflection is:
\[
x = 0.5
\]
-
Horizontal Line of Reflection:
- The line of reflection that divides the rectangle horizontally will pass through the center's y-coordinate.
- Since the center's y-coordinate is also 0.5, the line of reflection is:
\[
y = 0.5
\]
Conclusion
Thus, the lines of reflection that will flip the quadrilateral ABCD onto itself are:
\[
\text{x} = 0.5 \quad \text{and} \quad \text{y} = 0.5
\]