Form 3 Questions and Answers on Formulae

Form 3 Questions and Answers on Formulae.
In this course, several questions on the sub-topic formulae will be solved. Solutions are available in video format.

Lessons (22)     SHARE

• 1.    Make x the subject of the formula #N = P/ sqrt((ax + bx))#
  3m 36s

• 2.    Make n the subject of the formula #E = sqrt ((x(n-x))/(n-1)) #
  4m 18s

• 3.    Make P the subject of the formula #A = (-EP)/sqrt(P^2 + N)#
  0m 0s

• 4.    The volume V #cm^3# of an object is given by #V = 2/3 pi r^3 (1/(sc^2)-2)# Express c in terms of #pi#, r, s and V
  5m 51s

• 5.    Make V the subject of the formula #T= 1/2m(u^2-v^2)#
  2m 45s

• 6.    Given that #y = (b - bx^2)/(cx^2 - a)# make x the subject
  3m 40s

• 7.    Given that log #y = log(10x^n)#, make n the subject
  3m 26s

• 8.    Make x the subject of the formula #P = ((xy)/(z + x))^(1/2)#
  3m 17s

• 9.    Make x the subject of the formula: #S = W sqrt(a^2 - x^2)#
  3m 26s

• 10.    Make y the subject of the formula: #P = (xy) /(x - y) #
  0m 0s

• 11.    Make c the subject of the formula: #T = x sqrt (c^2 + d^2)#
  3m 15s

• 12.    Make P the subject of the formula #P^2 = (P-q)(P-r)#
  3m 26s

• 13.    Make s the subject of the formula #sqrt p = r sqrt(1 - as^2)#
  3m 21s

• 14.    Make b the subject of the formula: #(bd)/sqrt ((b^2 - d))#
  3m 44s

• 15.    Given that #y = (2x - z)/(x + 3z)#, express x in terms of y and z.
  2m 55s

• 16.    Make h the subject of the formula #q = (1 + rh)/(1 - ht)#
  2m 41s

• 17.    Make x the subject of the equation: #3y = y + (p)/(q + 1/x)#
  4m 21s

• 18.    Make s the subject of the formula: #w = root 3(s + t)/(3) #
  2m 34s

• 19.    Make n the subject of the equation: #r/p = m / sqrt (n - 1)#
  0m 0s

• 20.    Make d the subject of the formula, #P = 1/2 mn^2 - (qd^2)/n#
  3m 7s

• 21.    Make s the subject of the formula: #w = root 3 ((s + t)/(s))#
  1m 42s

• 22.    Make t the subject of the formula #s = sqrt((3d(t-d))/(8))#
  2m 43s

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