ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 381:

• JAMB 1999

If {(a²b^-3c)^3/4/a^-1b⁴c⁵} = a^pb^qc^r; what is the value of p+2q?

A. (5/2)
B. -(5/4)
C. -(25/4)
D. -10

Question 382:

• JAMB 1999

If \(m*n = (\frac{m}{n} - \frac{n}{m}\)) for m, n belong to R, evaluate -3*4

A. \(\frac{-25}{12}\)
B. \(\frac{-7}{12}\)
C. \(\frac{7}{12}\)
D. \(\frac{25}{12}\)

Question 383:

• JAMB 1999

The sum of two numbers is twice their difference. If the difference of the numbers is P, find the larger of the two numbers

A. P/2
B. 3p/2
C. 5p/2
D. 3p

Question 384:

• JAMB 1999

A binary operation * is defined by a*b = ab+a+b for any real number a and b. if the identity element is zero, find the inverse of 2 under this operation.

A. 2/3
B. 1/2
C. -1/2
D. -2/3

Question 385:

• JAMB 1999

Factorize completely \(x^{2} + 2xy + y^{2} + 3x + 3y - 18\).

A. (x+y+6)(x+y-3)
B. (x-y-6)(x-y+3)
C. (x-y+6)(x-y-3)
D. (x+y-6)(x+y+3)