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The vertices of trapezoid ABCD are A(3,-2), B(7,-2), C(8,- 7), and D(1, - 7). Graph ABCD and
A'B'C'D', its image after a reflection across the x-axis.

The vertices of trapezoid ABCD are A32 B72 C8 7 and D1 7 Graph ABCD and ABCD its image after a reflection across the xaxis class=

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Answer:

B

Step-by-step explanation:

When reflecting a figure over the x-axis, flip the sign of the y-coordinates for the vertices.

For this figure, trapezoid ABCD, the vertices are:

A (3, -2)

B (7, -2)

C (8, -7)

D (1, -7)

Flipping the signs of the y-coordinates gives us:

A (3, 2)

B (7, 2)

C (8, 7)

D (1, 7)

The only graph that has trapezoid A'B'C'D' with vertices matching these four values is the graph for B, so the answer is B.

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