ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 276:

• JAMB 1991

Solve the equation (x - 2) (x - 3) = 12

A. 2, 3
B. 3, 6
C. -1, 6
D. 1, -6

Question 277:

• JAMB 1991

Find the sum of the first 20 terms in an arithmetic progression whose first term is 7 and last term is 117.

A. 2480
B. 1240
C. 620
D. 124

Question 278:

• JAMB 1992

Factorize \(9p^2 - q^2 + 6qr - 9r^2\)

A. (3p - 3q + r)(3p - q - 3r)
B. (6p - 3q - 3r)(3p - q - 4r)
C. (3p - q + 3r)(3p + q - 3r)
D. (3q - p + 3r)(3q - p + 3r)

Question 279:

• JAMB 1992

Solve the equation: \(y - 11\sqrt{y} + 24 = 0\)

A. 8, 3
B. 64, 9
C. 6, 4
D. 9, -8

Question 280:

• JAMB 1992

Make t the subject of formula S = ut + \(\frac{1}{2} at^2\)

A. \(\frac{1}{a}\) (-u + \(\sqrt{U^2 - 2as}\))
B. \(\frac{1}{a}\) {u \(\pm\) (U² - 2as)}
C. \(\frac{1}{a}\) {u \(\pm\) \(\sqrt{2as}\)}
D. \(\frac{1}{a}\) {-u + \(\sqrt{( 2as)}\)}