Change of subject of formula - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 2011

Make R the subject of the formula if T = $\frac{K{R}^2+M}{3}$

A. $\sqrt{\frac{3T-K}{M}}$
B. $\sqrt{\frac{3T-M}{K}}$
C. $\sqrt{\frac{3T+K}{M}}$
D. $\sqrt{\frac{3T-K}{M}}$

Question 42:

• JAMB 2012

Make 'n' the subject of the formula if w = $\frac{v(2+cn)}{1-cn}$

A. $\frac{1}{c}(\frac{w-2v}{v+w})$
B. $\frac{1}{c}(\frac{w-2v}{v-w})$
C. $\frac{1}{c}(\frac{w+2v}{v-w})$
D. $\frac{1}{c}(\frac{w+2v}{v+w})$

Question 43:

• JAMB 2013

If S = $\sqrt{t^2-4t+4}$, find t in terms of S

A. S² - 2
B. S + 2
C. S - 2
D. S² + 2

Question 44:

• 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 45:

• JAMB 2015

Make x the subject of the equation
s = 2 + $\frac{t}{5}$(x + 3/5y)

A. X = 5[(s − 2) ÷ t] + 3yt
B. X = 25[(s − 2) ÷ t] − 3ty
C. X = [1 ÷ (s − 2)3ty]
D. X = [5(s − 2) 2 ÷ 3ty] x t