GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Factoring problem
[#permalink]
06 Oct 2016, 15:23
06 Oct 2016, 15:23
00:00
Question Stats:
0% (00:00) correct
0% (00:00) wrong based on 0 sessions
Hide Show timer Statistics
I think my GRE prep book has a typo in the answer key for this problem.
Question # 3
If x^2 + 8x - 15 = 0
What are the possible values of x?
Please explain how you solved it if you could.
This is my first time using this site so apologies if I'm not posting this in the right place or the right way. Please feel free to redirect me if necesary!
Thanks,
Jacob
Question # 3
If x^2 + 8x - 15 = 0
What are the possible values of x?
Please explain how you solved it if you could.
This is my first time using this site so apologies if I'm not posting this in the right place or the right way. Please feel free to redirect me if necesary!
Thanks,
Jacob
Re: Factoring problem
[#permalink]
07 Oct 2016, 00:47
07 Oct 2016, 00:47
1
having two solutions
-4+(33)^1/2 and -4-(33)^1/2
-4+(33)^1/2 and -4-(33)^1/2
Re: Factoring problem
[#permalink]
07 Oct 2016, 10:17
07 Oct 2016, 10:17
Expert Reply
Jacoba wrote:
I think my GRE prep book has a typo in the answer key for this problem.
Question # 3
If x^2 + 8x - 15 = 0
What are the possible values of x?
Please explain how you solved it if you could.
This is my first time using this site so apologies if I'm not posting this in the right place or the right way. Please feel free to redirect me if necesary!
Thanks,
Jacob
Question # 3
If x^2 + 8x - 15 = 0
What are the possible values of x?
Please explain how you solved it if you could.
This is my first time using this site so apologies if I'm not posting this in the right place or the right way. Please feel free to redirect me if necesary!
Thanks,
Jacob
Hi,
The roots of quadratic equation \(x^2 + 8x - 15 = 0\) is \(-4-\sqrt{31}\) and \(-4+\sqrt{31}\).
Could you share the page number and the book please.
Regards,
