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If m * n = n - (m+2) for any real number m and n...

Mathematics
JAMB 2009

If m * n = n - (m+2) for any real number m and n find the value of 3*(-5)?

  • A. -6
  • B. -8
  • C. -10
  • D. -12
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Correct Answer: Option C
Explanation

m * n = n - (m+2)
= -5 - (3+2)
= -5-5
= -10

There is an explanation video available below.


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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts