How to graph $|z+1| + |z-7| = 10$? Please help me. [closed]

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The solution indicated that it is a oval , center $(3,0)$
and $a = 10/2 $.







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closed as off-topic by Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik Aug 12 at 8:17


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik
If this question can be reworded to fit the rules in the help center, please edit the question.












  • Just a hint: Take $z=x+iy$
    – Resident Dementor
    Aug 12 at 5:51










  • Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
    – Phoopan Pantamui
    Aug 12 at 5:56











  • How to continue
    – Phoopan Pantamui
    Aug 12 at 5:57










  • Search the definition of an ellipse.
    – xbh
    Aug 12 at 6:00














up vote
0
down vote

favorite












The solution indicated that it is a oval , center $(3,0)$
and $a = 10/2 $.







share|cite|improve this question














closed as off-topic by Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik Aug 12 at 8:17


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik
If this question can be reworded to fit the rules in the help center, please edit the question.












  • Just a hint: Take $z=x+iy$
    – Resident Dementor
    Aug 12 at 5:51










  • Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
    – Phoopan Pantamui
    Aug 12 at 5:56











  • How to continue
    – Phoopan Pantamui
    Aug 12 at 5:57










  • Search the definition of an ellipse.
    – xbh
    Aug 12 at 6:00












up vote
0
down vote

favorite









up vote
0
down vote

favorite











The solution indicated that it is a oval , center $(3,0)$
and $a = 10/2 $.







share|cite|improve this question














The solution indicated that it is a oval , center $(3,0)$
and $a = 10/2 $.









share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Aug 12 at 6:12









Robert Z

84.3k955123




84.3k955123










asked Aug 12 at 5:49









Phoopan Pantamui

81




81




closed as off-topic by Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik Aug 12 at 8:17


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik
If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik Aug 12 at 8:17


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Sil, José Carlos Santos, Siong Thye Goh, Shailesh, Henrik
If this question can be reworded to fit the rules in the help center, please edit the question.











  • Just a hint: Take $z=x+iy$
    – Resident Dementor
    Aug 12 at 5:51










  • Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
    – Phoopan Pantamui
    Aug 12 at 5:56











  • How to continue
    – Phoopan Pantamui
    Aug 12 at 5:57










  • Search the definition of an ellipse.
    – xbh
    Aug 12 at 6:00
















  • Just a hint: Take $z=x+iy$
    – Resident Dementor
    Aug 12 at 5:51










  • Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
    – Phoopan Pantamui
    Aug 12 at 5:56











  • How to continue
    – Phoopan Pantamui
    Aug 12 at 5:57










  • Search the definition of an ellipse.
    – xbh
    Aug 12 at 6:00















Just a hint: Take $z=x+iy$
– Resident Dementor
Aug 12 at 5:51




Just a hint: Take $z=x+iy$
– Resident Dementor
Aug 12 at 5:51












Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
– Phoopan Pantamui
Aug 12 at 5:56





Thanks sir,but i stuck with ((x+1)^2 + y^2))^1/2 + ((x-7)^2 + y^2))^1/2 = 10
– Phoopan Pantamui
Aug 12 at 5:56













How to continue
– Phoopan Pantamui
Aug 12 at 5:57




How to continue
– Phoopan Pantamui
Aug 12 at 5:57












Search the definition of an ellipse.
– xbh
Aug 12 at 6:00




Search the definition of an ellipse.
– xbh
Aug 12 at 6:00










2 Answers
2






active

oldest

votes

















up vote
1
down vote



accepted










This is to say that the sum of the radii $underbrace_r_1+underbrace_r_2=underbrace10_2a,$
according to the definition on Wolfram Mathworld http://mathworld.wolfram.com/Ellipse.html






share|cite|improve this answer




















  • Oh thanks you very much.🙏🏻🙏🏻
    – Phoopan Pantamui
    Aug 12 at 6:02










  • If you like my answer, feel free to upvote / click the check mark by my answer.
    – Chickenmancer
    Aug 12 at 6:03

















up vote
1
down vote













Hint: You can see it as an ellipse with focuses $(-1,0)$ and $(7,0)$ and $a=10/2$.






share|cite|improve this answer




















  • Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
    – Phoopan Pantamui
    Aug 12 at 6:02










  • @PhoopanPantamui: What is an ellipse? This is a nice hint.
    – Resident Dementor
    Aug 12 at 6:04










  • Oh! i got it.Thanks you very much.
    – Phoopan Pantamui
    Aug 12 at 6:07

















2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
1
down vote



accepted










This is to say that the sum of the radii $underbrace_r_1+underbrace_r_2=underbrace10_2a,$
according to the definition on Wolfram Mathworld http://mathworld.wolfram.com/Ellipse.html






share|cite|improve this answer




















  • Oh thanks you very much.🙏🏻🙏🏻
    – Phoopan Pantamui
    Aug 12 at 6:02










  • If you like my answer, feel free to upvote / click the check mark by my answer.
    – Chickenmancer
    Aug 12 at 6:03














up vote
1
down vote



accepted










This is to say that the sum of the radii $underbrace_r_1+underbrace_r_2=underbrace10_2a,$
according to the definition on Wolfram Mathworld http://mathworld.wolfram.com/Ellipse.html






share|cite|improve this answer




















  • Oh thanks you very much.🙏🏻🙏🏻
    – Phoopan Pantamui
    Aug 12 at 6:02










  • If you like my answer, feel free to upvote / click the check mark by my answer.
    – Chickenmancer
    Aug 12 at 6:03












up vote
1
down vote



accepted







up vote
1
down vote



accepted






This is to say that the sum of the radii $underbrace_r_1+underbrace_r_2=underbrace10_2a,$
according to the definition on Wolfram Mathworld http://mathworld.wolfram.com/Ellipse.html






share|cite|improve this answer












This is to say that the sum of the radii $underbrace_r_1+underbrace_r_2=underbrace10_2a,$
according to the definition on Wolfram Mathworld http://mathworld.wolfram.com/Ellipse.html







share|cite|improve this answer












share|cite|improve this answer



share|cite|improve this answer










answered Aug 12 at 5:58









Chickenmancer

3,021622




3,021622











  • Oh thanks you very much.🙏🏻🙏🏻
    – Phoopan Pantamui
    Aug 12 at 6:02










  • If you like my answer, feel free to upvote / click the check mark by my answer.
    – Chickenmancer
    Aug 12 at 6:03
















  • Oh thanks you very much.🙏🏻🙏🏻
    – Phoopan Pantamui
    Aug 12 at 6:02










  • If you like my answer, feel free to upvote / click the check mark by my answer.
    – Chickenmancer
    Aug 12 at 6:03















Oh thanks you very much.🙏🏻🙏🏻
– Phoopan Pantamui
Aug 12 at 6:02




Oh thanks you very much.🙏🏻🙏🏻
– Phoopan Pantamui
Aug 12 at 6:02












If you like my answer, feel free to upvote / click the check mark by my answer.
– Chickenmancer
Aug 12 at 6:03




If you like my answer, feel free to upvote / click the check mark by my answer.
– Chickenmancer
Aug 12 at 6:03










up vote
1
down vote













Hint: You can see it as an ellipse with focuses $(-1,0)$ and $(7,0)$ and $a=10/2$.






share|cite|improve this answer




















  • Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
    – Phoopan Pantamui
    Aug 12 at 6:02










  • @PhoopanPantamui: What is an ellipse? This is a nice hint.
    – Resident Dementor
    Aug 12 at 6:04










  • Oh! i got it.Thanks you very much.
    – Phoopan Pantamui
    Aug 12 at 6:07














up vote
1
down vote













Hint: You can see it as an ellipse with focuses $(-1,0)$ and $(7,0)$ and $a=10/2$.






share|cite|improve this answer




















  • Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
    – Phoopan Pantamui
    Aug 12 at 6:02










  • @PhoopanPantamui: What is an ellipse? This is a nice hint.
    – Resident Dementor
    Aug 12 at 6:04










  • Oh! i got it.Thanks you very much.
    – Phoopan Pantamui
    Aug 12 at 6:07












up vote
1
down vote










up vote
1
down vote









Hint: You can see it as an ellipse with focuses $(-1,0)$ and $(7,0)$ and $a=10/2$.






share|cite|improve this answer












Hint: You can see it as an ellipse with focuses $(-1,0)$ and $(7,0)$ and $a=10/2$.







share|cite|improve this answer












share|cite|improve this answer



share|cite|improve this answer










answered Aug 12 at 5:55









Gonzalo Benavides

591317




591317











  • Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
    – Phoopan Pantamui
    Aug 12 at 6:02










  • @PhoopanPantamui: What is an ellipse? This is a nice hint.
    – Resident Dementor
    Aug 12 at 6:04










  • Oh! i got it.Thanks you very much.
    – Phoopan Pantamui
    Aug 12 at 6:07
















  • Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
    – Phoopan Pantamui
    Aug 12 at 6:02










  • @PhoopanPantamui: What is an ellipse? This is a nice hint.
    – Resident Dementor
    Aug 12 at 6:04










  • Oh! i got it.Thanks you very much.
    – Phoopan Pantamui
    Aug 12 at 6:07















Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
– Phoopan Pantamui
Aug 12 at 6:02




Excuse me, can you tell why focuses (1,0) and (7,0)? Is it definition?
– Phoopan Pantamui
Aug 12 at 6:02












@PhoopanPantamui: What is an ellipse? This is a nice hint.
– Resident Dementor
Aug 12 at 6:04




@PhoopanPantamui: What is an ellipse? This is a nice hint.
– Resident Dementor
Aug 12 at 6:04












Oh! i got it.Thanks you very much.
– Phoopan Pantamui
Aug 12 at 6:07




Oh! i got it.Thanks you very much.
– Phoopan Pantamui
Aug 12 at 6:07


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