Compute the discriminant D(x, y) of the function. S(x, y) = x' + y* – 6x – 2y + 1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.6: Quadratic Functions
Problem 57E
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Compute the discriminant D(x, y) of the function.
S(x, y) = x' + y* - 6x – 2y² + 1
(Express numbers in exact form. Use symbolic notation and fractions where needed.)
D(x, y) =
Incorrect
Which of these points are saddle points?
V (V2,1)
M (-V2.-1)
O (V7,0)
O (-V2,0)
O (-V2.1)
(V2. -1)
Incorrect
Which of these points are local minima?
V (V2.0)
V (V2,1)
O (v2.-1)
O (-V2.-1)
O (-V2,0)
O (-V2,1)
Transcribed Image Text:Compute the discriminant D(x, y) of the function. S(x, y) = x' + y* - 6x – 2y² + 1 (Express numbers in exact form. Use symbolic notation and fractions where needed.) D(x, y) = Incorrect Which of these points are saddle points? V (V2,1) M (-V2.-1) O (V7,0) O (-V2,0) O (-V2.1) (V2. -1) Incorrect Which of these points are local minima? V (V2.0) V (V2,1) O (v2.-1) O (-V2.-1) O (-V2,0) O (-V2,1)
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