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  3. Compare Quantity A and Quantity B, using additional information centered above t

Compare Quantity A and Quantity B, using additional information centered above t

游客2024-01-12  22
问题 Compare Quantity A and Quantity B, using additional information centered above the two quantities if such information is given, and select one of the following four answer choices:
(A)Quantity A is greater.
(B)Quantity B is greater.
(C)The two quantities are equal.
(D)The relationship cannot be determined from the information given.
A symbol that appears more than once in a question has the same meaning throughout the question. [br]
选项
答案 A
解析 You can begin by sketching the line in the xy-plane and labeling the points(5, 4)and(2, -1)on the line, as shown below.

From the figure, you can see that the line through the two points slants upward and to the right. So the slope of the line is greater than 0; that is, Quantity A is greater than Quantity B. The correct answer is Choice A.(Note that it is not necessary to calculate the slope of the line.)
This explanation uses the following strategy.
Strategy 2: Translate from Words to a Figure or Diagram
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