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 →

Rules of order - advanced situations?

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 79
Joined: Mon Feb 13, 2012 3:02 pmFollowed by: 3 members
Thanked: 2 times
by jzw » Thu Feb 16, 2012 2:32 pm
Obviously I know PEMDAS. But, what happens when ive got fractions and square roots in there too? In what order do I do the operation? For example:

y + the square root of x^2 + y^2
above is the numerator

OVER

z (the denominator)

z=2, y=3, x=4
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |
User avatar
Legendary Member
Posts: 588
Joined: Sun Oct 16, 2011 9:42 amFollowed by: 9 members
Location: New Delhi, India
Thanked: 130 times
GMAT Score:720

by rijul007 » Thu Feb 16, 2012 5:49 pm
jzw wrote:Obviously I know PEMDAS. But, what happens when ive got fractions and square roots in there too? In what order do I do the operation? For example:

y + the square root of x^2 + y^2
above is the numerator

OVER

z (the denominator)

z=2, y=3, x=4
hmmm.. :/
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 79
Joined: Mon Feb 13, 2012 3:02 pmFollowed by: 3 members
Thanked: 2 times

by jzw » Thu Feb 16, 2012 8:29 pm
hi rijul007 - not sure if u meant to post an answer here...
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
GMAT Instructor
Posts: 509
Joined: Wed Apr 21, 2010 1:08 pmFollowed by: 85 members
Location: Irvine, CA
Thanked: 199 times
GMAT Score:750

by tpr-becky » Sat Feb 18, 2012 11:20 am
you have to do the numbers inside the square root before you can take the square root so x^2 + y^2 = 25

then you do square roots before addition so 3 + 5 is on the numerator (only the positive root becuase of the sqrt sign). You can't do the fraction first because there is addtion in the numerator so you either have to resolve the addition or split the fraction first.

8/2 = 4
Becky
Master GMAT Instructor
The Princeton Review
Irvine, CA
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1