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High School Set 8 (2014) - Round 6 - Question 10

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TOSS-UP: MATH Multiple Choice

Which of the following is true for a nonzero matrix in reduced row echelon [ESH-uh-lon] form?

  • W. All elements are zero
  • X. The first non-zero element is equal to -1
  • Y. There are no leading 0’s
  • Z. There is a leading 1
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