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What must be added to x2 - 3x to make it a perfect square?

Mathematics
WAEC 2006
What must be added to x2 - 3x to make it a perfect square?
  • A. \(\frac{9}{4}\)
  • B. \(\frac{9}{2}\)
  • C. 6
  • D. 9
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Correct Answer: Option A
Explanation
x2 - 3x + k(perfect square)

k = (-\(\frac{3}{2}\))2 ; k = \(\frac{9}{4}\)
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts