ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 576:

• JAMB 2015

Determine the third term of a geometrical progression whose first and second term are 2 and 54 respectively

A. 1458
B. 1485
C. 1345
D. 1258

Question 577:

• JAMB 2015

Calculate the value of x and y if (27^x ÷ 81^x+2y = 9 ,x + 4y = 0

A. X = 1, y = 1/2
B. X = 2, y = — 1/2
C. X − 0, y = 1
D. X = 2, y = —1

Question 578:

• JAMB 2015

If √ (2x + 2) − √x =1 ,find x.

A. X = 1 twice
B. X = 0 or 1
C. X = 3 or 1
D. X = 2 twice

Question 579:

• JAMB 2015

Factorize \( a^2 − b^2 − 4a + 4 \)

A. (a + b)(a − b)
B. (a − 2 + b)
C. (a + 1)(a − 2 + b)
D. (a + b) 2

Question 580:

• JAMB 2016

If the 2nd term of a G.P is \(\frac{8}{9}\) and the 6th term is 4\(\frac{1}{2}\). Find the common ratio.

A. 2
B. \(\frac{3}{2}\)
C. \(\frac{2}{3}\)
D. 3