Question

Which of the following represents the length of a diagonal of this trapezoid?

A trapezoid is shown in the first and second quadrants of the coordinate plane.One side is on the x-axis and another side is above and parallel to the x-axis.
The upper left vertex is labeled as left parentheses negative b comma c right parentheses.
The upper right vertex is labeled as left parentheses b comma c right parentheses.
The lower right vertex is labeled left parentheses a comma 0 right parentheses.
The lower left vertex is labeled left parentheses negative a comma 0 right parentheses.
(1 point)
Responses

Start Root left-parenthesis a plus b right-parenthesis squared minus c squared End Root
Image with alt text: Start Root left-parenthesis a plus b right-parenthesis squared minus c squared End Root

Start Root left-parenthesis a minus b right-parenthesis squared minus c squared End Root
Image with alt text: Start Root left-parenthesis a minus b right-parenthesis squared minus c squared End Root

Start Root left-parenthesis a minus b right-parenthesis squared plus c squared End Root
Image with alt text: Start Root left-parenthesis a minus b right-parenthesis squared plus c squared End Root

Start Root left-parenthesis a plus b right-parenthesis squared plus c squared End Root
Image with alt text: Start Root left-parenthesis a plus b right-parenthesis squared plus c squared End Root
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The correct answer is: Start Root left-parenthesis a plus b right-parenthesis squared plus c squared End Root