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VTMO 2014 — Grade 8 — semifinal Question 5

VTMO · VTMO 2014 — Grade 8 — semifinal

Question 5

Choose a so $4 y^{2} - 24 y - a$ is a polynomial square.
  1. $36$
  2. $- 36$
  3. $9$
  4. $16$
  5. $25$