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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

math image

Which of the following statements must be true of the lengths of the segments on line m above?

Roman number 1A B + C D = A D

Roman numeral 2A B + B C = A D minus C D

Roman numeral 3. A C minus A B = A D minus C D

 

Answer Choices
Want a hint?

Consider each of the statements separately. For example, is A B + C D = A D? Use the position of the points on the line to determine whether this is true.

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