BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem
TTP OnDemand GMAT Video Course
Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

  • 715+ score guarantee — highest in the industry (99th percentile)
  • 52 chapters · 1,500+ lessons · 4,000+ practice questions
  • 400 hours of video · 1,500+ instructor-led HD smartboard lessons
  • 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
  • 24/7 live support + weekly Zoom office hours with GMAT instructors
  • TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
  • 1,200+ flashcards + AI-powered study assistant & daily calendar
  • OnDemand, LiveTeach & GMAT Bootcamp formats available
  • Also: GRE, SAT Math & Executive Assessment courses
  • MBA Admissions Consulting now available
  • 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
  • 200,000+ students served
  • 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★ 5.0 (559 reviews)
130-pt guarantee
$0 to start then $127/mo
Start Free 5-Day Trial Read 559 Reviews →

Integers that lie on a circle

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 49
Joined: Mon Apr 28, 2008 5:33 am
Thanked: 2 times
by ramyaravindran » Sun Mar 14, 2010 7:40 am
How can I solve this?. Don't have a OA.
A circle has radius of 5.How many points of the form (x,y) lie in the x-y plane where x and y are both integers that lie on the circle.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |
Legendary Member
Posts: 610
Joined: Fri Jan 15, 2010 12:33 amFollowed by: 2 members
Thanked: 47 times

by kstv » Sun Mar 14, 2010 8:19 am
x²+y²=25 eq of the circle
(x,y) should be (+-3,+-4) and (+-4,+-3)
2 points in each quadrant
8 points
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 45
Joined: Tue Mar 02, 2010 4:27 am
Thanked: 2 times

by yeahdisk » Sun Mar 14, 2010 10:00 am
Why not 5,0 0,5 0,-5 -5,0 ?
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Legendary Member
Posts: 610
Joined: Fri Jan 15, 2010 12:33 amFollowed by: 2 members
Thanked: 47 times

by kstv » Sun Mar 14, 2010 10:34 am
Yes it should be 12 points. Thanks.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 45
Joined: Tue Mar 02, 2010 4:27 am
Thanked: 2 times

by yeahdisk » Sun Mar 14, 2010 11:33 am
cool - I wasn't sure if 0 counted as an integer on GMAT tests (but - after seeing your reply - I'm guessing it does)
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Legendary Member
Posts: 610
Joined: Fri Jan 15, 2010 12:33 amFollowed by: 2 members
Thanked: 47 times

by kstv » Sun Mar 14, 2010 8:12 pm
Heh I am more prone to careless mistakes then is good.
See the post below which is yet unanswered. Though sanju09's answer I suspect is right and 0 is an integer.

https://www.beatthegmat.com/square-coord ... tml#235646

the purpose of posting this link is because similar kind of concepts may be tested in differnt forms.

Tut Tut should have learrned from that mistake I made in the earlier post.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
Legendary Member
Posts: 1275
Joined: Thu Sep 21, 2006 11:13 pmFollowed by: 2 members
Location: Arabian Sea
Thanked: 125 times

by ajith » Sun Mar 14, 2010 11:05 pm
yeahdisk wrote:cool - I wasn't sure if 0 counted as an integer on GMAT tests (but - after seeing your reply - I'm guessing it does)
0 is an integer, Period!
Always borrow money from a pessimist, he doesn't expect to be paid back.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 33
Joined: Tue Jan 19, 2010 11:15 pm
Location: India
Thanked: 2 times

by [email protected] » Mon Mar 15, 2010 3:08 am
kstv wrote:x²+y²=25 eq of the circle
Please let me know as to, how you arrived at the above equation ?
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Legendary Member
Posts: 610
Joined: Fri Jan 15, 2010 12:33 amFollowed by: 2 members
Thanked: 47 times

by kstv » Mon Mar 15, 2010 7:20 am
It is a standard eq of a circle with the centre at origin and radius as 5.
but not very sure whether knowledge of this is necessary. Does OG mention any problems involving circles
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1