Use the image to answer the question.

a coordinate plane with trapezoid A B C D graphed. The coordinates of the vertices are A negative 2 comma 4, B 1 comma 3, C 1 comma negative 1, and D negative 2 comma negative 2

Refer to the trapezoid in the diagram. Identify a line of reflection that flips the trapezoid onto itself.

(1 point)
Responses

x=0
x equals negative m

x=1
x equals n

y=1
y equals negative r

y=0
y equals 0
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1 answer

To identify a line of reflection that flips the trapezoid onto itself, we can look for lines that would effectively bisect the trapezoid. The coordinates provided for the vertices of the trapezoid A(-2, 4), B(1, 3), C(1, -1), and D(-2, -2) suggest that the trapezoid is symmetrical along a vertical line.

To find that line, we observe the x-coordinates of the vertices:

  • A has an x-coordinate of -2
  • B has an x-coordinate of 1
  • C has an x-coordinate of 1
  • D has an x-coordinate of -2

The trapezoid shows symmetry between the points B and C, as well as between A and D. The midpoint of the x-coordinates of A and D is:

\[ \text{Midpoint} = \frac{-2 + (-2)}{2} = -2 \quad \text{(for A and D)} \]

And for B and C:

\[ \text{Midpoint} = \frac{1 + 1}{2} = 1 \quad \text{(for B and C)} \]

Thus, a line that would reflect the trapezoid onto itself would be located at the average x-value of these points:

Calculating the midpoint between x = -2 and x = 1 gives us:

\[ \frac{-2 + 1}{2} = \frac{-1}{2} \]

However, the reflection line that flips the trapezoid onto itself is rather between the vertical positions of the usable coordinates, so let’s specifically consider the vertical line at:

x = -0.5

However, in the provided options, the closest possible option becomes one of the existing vertical reflections:

  • Since the options are quite ambiguous, we identify the closest logically:

  • The actual line that corresponds to a symmetry could also fall in specific cases under options as x = 1:

  • Thus, the correct line of reflection, in standard accounting for similar formulations given that choice as the option might relate mainly towards symmetry in geometric positioning along either or against created non verticals.

In conclusion, examining the reasonable options and choosing the best reflecting line is essential. But considering established choices, the most definitive would remain y = 0, as reflection, despite adjustments on various coordinate impacts.

Thus, Choose y = 0.