This topic contains a solution. Click here to go to the answer

Author Question: When does the equation x2 + y2 + z2 + Ax + By + Cz + D = 0 represent a sphere? (Read 178 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
When does the equation x2 + y2 + z2 + Ax + By + Cz + D = 0 represent a sphere?
◦ if and only if A2 + B2 - C2  > D
◦ if and only if A = 0, B = 0, C = 0, and D < 0
◦ if and only if A2 + B2 + C2 + D > 0
◦ if and only if A2 + B2 + C2  > 4D
◦ if and only if A2 - B2 + C2  > 0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by waynest on May 27, 2021

steff9894

  • Sr. Member
  • ****
  • Posts: 337
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




waynest

  • Member
  • Posts: 553
Reply 2 on: May 27, 2021
Excellent


lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

For a complete list of videos, visit our video library