FIND THE H.C.F PART-2

Algebra Level 1

If d is the HCF of 30, 72, find the value of x & y satisfying d = 30x + 72y.

7,8 5,-2 4,6 1,-4

Aditya Raj by Aditya Raj , 22, India

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

2 solutions

Aza Ama
Mar 19, 2014

hfc of 30, 72 is 6

6=30x +72y

30 5+ (72 -2)=6

x=5 , y =-2

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Vince Policarpio
Apr 12, 2014
  1. In lowest terms, 72 / 30 = 12 / 5.
  2. Notice that 72 / 12 = 6, and 30 / 5 = 6. Therefore the highest common factor is 6.
  3. For the equation 30x + 72y = 6, choose from the choices.
  4. Then x = 5, y = -2. (Q.E.D.)
0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...