JAMB Mathematics 2008 Objective — Question 34

Question 34 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

Calculate the distance between points L(-1,-6) and M(-3,-5)

A. sqrt5Correct
B. 2sqrt3
C. sqrt20
D. sqrt53

Explanation

Distance d = sqrt[(x2-x1)^2+(y2-y1)^2] = sqrt[(-3-(-1))^2+(-5-(-6))^2] = sqrt[(-2)^2+1^2] = sqrt(4+1) = sqrt5.

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