Post-UTME Mathematics 2011 Objective — Question 3
Question 3 of 11 from the Post-UTME Screening (Post-UTME) Mathematics 2011 Objective paper, with the correct answer and a full explanation.
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Find the value of P if the line joining (P,4) and (6,-2) is perpendicular to the line joining (2,P) and (-1,3)
- A. 4Correct
- B. 6
- C. 3
- D. 0
Explanation
Setting the product of the gradients equal to -1 and solving gives P=4 as the closest matching listed option.
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