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# At how many points do the two graphs named as "First Graph" and "Secon

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SVP
Joined: 08 Jul 2010
Posts: 1955
Location: India
GMAT: INSIGHT
WE: Education (Education)
At how many points do the two graphs named as "First Graph" and "Secon [#permalink]

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13 May 2017, 01:22
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Difficulty:

45% (medium)

Question Stats:

62% (00:37) correct 38% (00:54) wrong based on 53 sessions

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At how many points do the two graphs named as "First Graph" and "Second Graph" intersect?

1) The Equation of the first graph is x^2 + y^2 = 4
2) The second graph is a parabola with Y-Intercept -5

Source: http://www.GMATinsight.com
[Reveal] Spoiler: OA

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Re: At how many points do the two graphs named as "First Graph" and "Secon [#permalink]

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08 Aug 2017, 04:06
Bunuel wrote:
GMATinsight wrote:
At how many points do the two graphs named as "First Graph" and "Second Graph" intersect?

1) The Equation of the first graph is x^2 + y^2 = 4
2) The second graph is a parabola with Y-Intercept -5

Source: http://www.GMATinsight.com

___________________
Bumping for discussion.

Hey Bunuel

Are Parabolic equations part of the GMAT?
I haven't seen any official question on the same.

Best
Stone
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Posts: 43862
Re: At how many points do the two graphs named as "First Graph" and "Secon [#permalink]

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08 Aug 2017, 04:22
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Expert's post
stonecold wrote:
Bunuel wrote:
GMATinsight wrote:
At how many points do the two graphs named as "First Graph" and "Second Graph" intersect?

1) The Equation of the first graph is x^2 + y^2 = 4
2) The second graph is a parabola with Y-Intercept -5

Source: http://www.GMATinsight.com

___________________
Bumping for discussion.

Hey Bunuel

Are Parabolic equations part of the GMAT?
I haven't seen any official question on the same.

Best
Stone

In OG there is a chapter on coordinate geometry, where parabolas are discussed:

"The graph of a quadratic function is called a parabola and always has the shape of the curve above, although it may be upside down or have a greater or lesser width. Note that the roots of the equation $$f(x) = x^2 − 1 = 0$$ are $$x = 1$$ and $$x = − 1$$; these coincide with the x-intercepts since x-intercepts are found by setting $$y = 0$$ and solving for x. Also, the y-intercept is $$f( 0) = − 1$$ because this is the value of y corresponding to $$x = 0$$. For any function f, the x-intercepts are the solutions of the equation $$f( x) = 0$$ and the y-intercept is the value $$f (0)$$."

Here is an official question on it: https://gmatclub.com/forum/for-what-val ... 11639.html

[Reveal] Spoiler:
Attachment:

2017-08-08_1618.png [ 4.52 KiB | Viewed 302 times ]

_________________
SVP
Joined: 08 Jul 2010
Posts: 1955
Location: India
GMAT: INSIGHT
WE: Education (Education)
Re: At how many points do the two graphs named as "First Graph" and "Secon [#permalink]

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08 Aug 2017, 04:26
stonecold wrote:
Bunuel wrote:
GMATinsight wrote:
At how many points do the two graphs named as "First Graph" and "Second Graph" intersect?

1) The Equation of the first graph is x^2 + y^2 = 4
2) The second graph is a parabola with Y-Intercept -5

Source: http://www.GMATinsight.com

___________________
Bumping for discussion.

Hey Bunuel

Are Parabolic equations part of the GMAT?
I haven't seen any official question on the same.

Best
Stone

Please refer to official Guide 17 page number 49... You will find mention of parabola which confirms that GMAT expects test talkers to be equipped with basics of parabola.

Screenshot of OG 17 Page 49 attached

Hope this helps!!!
Attachments

File comment: www.GMATinsight.com

12345.jpg [ 78.63 KiB | Viewed 301 times ]

_________________

Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION

Re: At how many points do the two graphs named as "First Graph" and "Secon   [#permalink] 08 Aug 2017, 04:26
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