Mathematics WAEC Past Questions

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811

Which of the following quadratic equations has \(-\frac{1}{2}\) and \(\frac{3}{4}\) as its roots?

A. 8x² + 11x - 3 = 0
B. 8x² -11x – 3 = 0
C. 8x² + 2x -3 = 0
D. 8x² - 2x – 3 = 0

View Answer & Discuss (2) WAEC 2004

812

The locus of a point which moves in a plane such that it is equidistant from two fixed points X and Y is

A. the perpendicular bisector of the line segment X Y
B. a line parallel to the line segment XY
C. a circle with XY as diameter
D. the line perpendicular to the line segment XY

View Answer & Discuss WAEC 2004

813

Given that \(P\propto \frac{1}{\sqrt{r}}\) and p = 3 when r = 16, find the value of r when p = \(\frac{3}{2}\)

A. 48
B. 64
C. 72
D. 324

View Answer & Discuss (12) WAEC 2004

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814

Which of the following is/are true? In a plane, the locus of points I. Equidistant from a straight line is a circle radius d where d is the distance between the point and the straight line.
II Equidistant from two given points P and Q is a circle of radius |PQ|. III Equidistant from two points is the perpendicular bisector of the line joining the two points.