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The Official SAT Question of the Day for Wednesday, June 20

2012-06-22 12:00 作者: 来源: 本站 浏览: 1,108 views Make a Comment 字号:

摘要: Read the following SAT test question and then click on a button to select your answer.  If , which of the following must be...

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

If square root (x minus a) = square root (x + b), which of the following must be true?

  1. click to choose answer A  a = 0
  2. click to choose answer B  b = 0
  3. click to choose answer C  a + b = 0
  4. click to choose answer D  a minus b = 0
  5. click to choose answer E  (a^2) + (b^2) = 0
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