ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 216:

• JAMB 1987

The minimum value of y in the equation y = x\(^2\) - 6x + 8 is

A. 8
B. 3
C. 7
D. -1

Question 217:

• JAMB 1987

Find the eleventh term of the progression 4, 8, 16.....

A. 2¹³
B. 2¹²
C. 2¹¹
D. 2¹⁰

Question 218:

• JAMB 1988

If \(\frac{1}{p}\) = \(\frac{a^2 + 2ab + b^2}{a - b}\) and \(\frac{1}{q}\) = \(\frac{a + b}{a^2 - 2ab + b^2}\) Find \(\frac{p}{q}\)

A. \(\frac{a + b}{a - b}\)
B. \(\frac{1}{a^2 - b^2}\)
C. \(\frac{a - b}{a + b}\)
D. A² - b²

Question 219:

• JAMB 1988

If x varies inversely as the cube root of y and x = 1 when y = 8, find y when x = 3

A. \(\frac{1}{3}\)
B. \(\frac{2}{3}\)
C. \(\frac{8}{27}\)
D. \(\frac{4}{9}\)

Question 220:

• JAMB 1988

if a = -3, b = 2, c = 4, evaluate \(\frac{a^3 - b^3 - c^{\frac{1}{2}}}{b - a - c}\)

A. 37
B. \(\frac{-37}{5}\)
C. \(\frac{37}{5}\)
D. -37