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

Redeem

Intersecting at the x-axis

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Senior | Next Rank: 100 Posts
Posts: 42
Joined: Tue Dec 20, 2011 6:26 pm
Thanked: 2 times
Followed by:1 members

Intersecting at the x-axis

by dlencz » Sat Apr 21, 2012 6:05 pm
In the xy plane, at what two points does the graph of y = (x+a)(x+b) intersect at the x-axis?

1) a+b = -1
2) The graph intersects the y-axis at (0, -6)

OA is C
Top
Source: — Data Sufficiency |
User avatar
GMAT Instructor
Posts: 15539
Joined: Tue May 25, 2010 12:04 pm
Location: New York, NY
Thanked: 13060 times
Followed by:1906 members
GMAT Score:790

by GMATGuruNY » Sat Apr 21, 2012 6:34 pm
I posted an explanation here:

https://www.beatthegmat.com/coordinate-g ... 83293.html
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Top
Post new topic Post Reply
• Page 1 of 1