ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 71:

• JAMB 2014

If gt² - k - w = 0, make g the subject of the formula

A. \(\frac{k + w}{t^2}\)
B. \(\frac{k - w}{t^2}\)
C. \(\frac{k + w}{t}\)
D. \(\frac{k - w}{t}\)

Question 72:

• JAMB 2014

Factorize 2y² - 15xy + 18x²

A. (2y - 3x) (y + 6x)
B. (2y - 3x) (y - 6x)
C. (2y + 3x) (y - 6x)
D. (3y + 2x) (y - 6x)

Question 73:

• JAMB 2014

Find the value of k if y - 1 is a factor of y³ + 4y² + ky - 6

A. -6
B. -4
C. O
D. 1

Question 74:

• JAMB 2014

y varies directly as w². When y = 8, w = 2. Find y when w = 3

A. 18
B. 12
C. 9
D. 6

Question 75:

• JAMB 2014

P varies directly as Q and inversely as R. When Q = 36 and R = 16, P = 27. Find the relation between P, Q and R.

A. \(P = \frac{Q}{12R}\)
B. \(P = \frac{12Q}{R}\)
C. \(P = 12QR\)
D. \(P = \frac{12}{QR}\)