chaterbox chaterbox
  • 25-02-2016
  • Mathematics
contestada

if (a,b) is an ordered pair for x-y=5, is (b,a) also a solution?

Respuesta :

Ilie
Ilie Ilie
  • 25-02-2016
The answer is no. Because solution (a,b) means x=a, y=b.and we have a-b=5.  And (b,a) would mean x=b and y=a but then x-y=b-a=-(a-b)=-5≠5. So  the pair (b,a) is not a solution.


Answer Link

Otras preguntas

write a paragraph on my favourite teacher
Round 1.069 to the nearest tenth
a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................
what are the rational numbers of -12,0,35,4.85,√12,√36,19/6,-10/11,1.4949949994
if the minimum velocity of a projectile is double the minimum velocity,the angle of projection is
what does 'secret, black and midnight hags' mean in shakespeare?
What national symbol is common to China and Wales ?
What national symbol is common to China and Wales ?
what is the gcf and lcm of 390 and 250
Georges Cuvier's discovery of fossils of Irish elk and giant ground sloth: