Coordinate Geometry Jamb Mathematics Past Questions

Question 6

A man 1.7m tall observes a bird on top of a tree at an angle of 30°. if the distance between the man's head and the bird is 25m, what is the height of the tree?

jamb 1999

  • A. 26.7m
  • B. 14.2m
  • C. \(1.7+(25\frac{\sqrt{3}}{3}m\)
  • D. \(1.7+(25\frac{\sqrt{2}}{2}m\)
View Answer and Explanation

Question 7

In ∆MNO, MN = 6 units, MO = 4 units and NO = 12 units. If the bisector of and M meets NO at P, calculate NP.

jamb 1999

  • A. 4.8 units
  • B. 7.2 units
  • C. 8.0 units
  • D. 18.0 units
View Answer and Explanation

Question 8

Find the tangent to the acute angle between the lines 2x + y = 3 and 3x - 2y = 5.

jamb 1999

  • A. -7/4
  • B. 7/8
  • C. 7/4
  • D. 7/2
View Answer and Explanation

Question 9

From a point P, the bearings of two points Q and R are N670W and N230E respectively. If the bearing of R from Q is N680E and PQ = 150m, calculate PR

jamb 1999

  • A. 120m
  • B. 140m
  • C. 150m
  • D. 160m
View Answer and Explanation

Question 10

Find the equation of the locus of a point P(x,y) such that PV = PW, where V = (1,1) and W = (3,5)

jamb 1999

  • A. 2x + 2y = 9
  • B. 2x + 3y = 8
  • C. 2x + y = 9
  • D. x + 2y = 8
View Answer and Explanation