Post-UTME Mathematics 2015 Objective — Question 29
Question 29 of 40 from the Post-UTME Screening (Post-UTME) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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The perpendicular distance of the point (2,-1) from the line 3x-4y+5=0 is
- A. 2
- B. 5
- C. 4
- D. 3Correct
Explanation
Distance = |3(2)-4(-1)+5| / √(3²+4²) = |6+4+5|/5 = 15/5 = 3.
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