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Home > College Board Tests > The Official SAT Question of the Day

Today's Answer

Saturday, September 12

Correct!

  • Here's Why:

    When 3 is subtracted from x, the result is x – 3. The square root of this difference is square root of x minus 3. When 5 is added to square root of x minus 3, the final result is 9. This can be written as square root of x minus 3 + 5 = 9. Subtracting 5 from both sides gives the equation square root of x minus 3 = 4. Squaring both sides of this equation gives x – 3 = 16, or x = 19.

  • Difficulty: Medium
  • Question Type: Standard Multiple Choice
    (Mathematics)

Today's Responses

  • Section:
    Mathematics
  • Responses:
    (Total So Far)
    161,603
Today's Responses - Pie Chart
  • Correct: 62%
  • Incorrect: 38%

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