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Author Question: Describe the set of points in 3-space satisfying x2 + 2y2 + 3z2 = 4 and z = x + y. (Read 65 times)

s.tung

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on: May 27, 2021

Question 1

Describe the set of points in 3-space satisfying  z2 = x2 + y2  and  z = 1 + y.
◦ two straight lines
◦ one straight line
◦ an ellipse (or a circle)
◦ a parabola
◦ a hyperbola
◦ none of the above

Question 2

Describe the set of points in 3-space satisfying  x2 + 2y2 + 3z2 = 4  and  z = x + y.
◦ two straight lines
◦ one straight line
◦ an ellipse
◦ a parabola
◦ a hyperbola
◦ none of the above
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Marked as best answer by s.tung on May 27, 2021

peter

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Reply #1 on: May 27, 2021
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.
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s.tung

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Reply 2 on: May 27, 2021
Wow, this really help

ghepp

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Reply 3 on: Yesterday
Excellent

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