Mathematics 1984 JAMB Past Questions

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If f(x) = 2(x - 3)\(^2\) + 3(x - 3) + 4 and g(y) = \(\sqrt{5 + y}\), find g [f(3)] and f[g(4)].

A. 3 and 4
B. -3 and 4
C. -3 and -4
D. 3 and -4
E. 0 and 5

View Answer & Discuss (3) JAMB 1984

The quadratic equation whose roots are 1 - \(\sqrt{13}\) and 1 + \(\sqrt{13}\) is?

A. x² + (1 - \(\sqrt{13}\)x + 1 + \(\sqrt{13}\) = 0
B. x² - 2x - 12 = 0
C. x² - 2x + 12 = 0
D. x² + 12 + 2x² = 0

View Answer & Discuss (2) JAMB 1984

Find a factor which is common to all three binomial expressions 4a2 - 9b2, 8a3 + 27b3, (4a + 6b)2

A. 4a + 6b
B. 4a - 6b
C. 2a + 3b
D. 2a - 3b
E. none

View Answer & Discuss (1) JAMB 1984

If (x - 2) and (x + 1) are factors of the expression x³ + px² + qx + 1, what is the sum of p and q

A. 9
B. -3
C. 3
D. \(\frac{17}{3}\)
E. \(\frac{2}{3}\)

View Answer & Discuss (1) JAMB 1984

A cone is formed by bending a sector of a circle having an angle of 210^o. Find the radius of the base of the cone if the diameter of the circle is 12cm.

A. 12cm
B. 7.00cm
C. 1.75cm
D. 21cm
E. 3.50cm

View Answer & Discuss (2) JAMB 1984

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Mathematics 1984 JAMB Past Questions

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