Jamb Mathematics 2005 Past Questions and Answers

Question 26:

• JAMB 2005

Two lines PQ and ST intersect at 75°. The locus of points equidistant from PQ and ST lies on the

A. Perpendicular bisector of PQ
B. Perpendicular bisector of ST
C. Bisector of the angles between lines PQ and ST
D. Bisector of the angles between lines PT and QS

Question 27:

• JAMB 2005

Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5

A. 2y - x = 4
B. Y + 2x = 3
C. Y + 2x = 5
D. 2y - x = 2

Question 28:

• JAMB 2005

A chord of a circle subtends an angle of 60o at the length of a circle of radius 14 cm. Find the length of the chord

A. 7 cm
B. 14 cm
C. 21 cm
D. 28 cm

Question 29:

• JAMB 2005

If sin θ = -¹/₂ for 0 < θ < 360^o, the value of θ is

A. 30^o and 150^o
B. 150^o and 210^o
C. 210^o and 330^o
D. 150^o and 330^o

Question 30:

• JAMB 2005

If y = (1 - 2x)\(^3\), find the value of dy/dx at x = -1

A. 57
B. 27
C. -6
D. -54