Example: Quadric Surfaces


The following example illustrates the use of the Quadric Surfaces program.


Example

Determine the nature of the surface described by the equation:

7x2 + 7y2 + 10z2 + 4yz - 4xz - 2xy - 12x + 12y + 60z - 24 = 0


Procedure

Press

Display


Select the program. [ RUN ] { MTH }
{ --> } { --> }
{ GEO } { QAD }
D_COnkYM
Enter the coefficients 7 { A } D_F2oudu
7 { B } D_eZX4FE
10 { C } D_C3b9qF
{ --> } 24
[ +/- ] { D }
D_LFnjXT
4 { F } D_lOZByi
4 [ +/- ] { G } D_CWGwJc
2 [+/- ] { H } D_lryD5C
{ --> } 12
[ +/- ] { P }
D_RyYcPm
12 { Q } D_IlgoJi
60 { R } D_WxjvQQ
Proceed with program { EOD } D_0nvkl4
View rotated coefficients { --> } D_xxCIJx
{ A } D_88d4SD
{ B } D_XpgZfk
{ C } D_oTNoud
{ D } D_xt6jic
{--> } { P } D_r38DE5
{ Q } D_uPCNvv
{ R } D_eZyr6A
View center location { ESC } D_S9ILU1
{ x } D_8sifSv
{ y } D_HAaxnU
{ z } D_67mgYU



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