Identifying surfaces Consider the surfaces defined by the following equations. a. Identify and briefly describe the surface. b. Find the xy-, xz-, and yz-traces, when they exist. c. Find the intercepts with the three coordinate axes, when they exist. d. Make a sketch of the surface. 22. y = 4 x 2 + z 2 9
Identifying surfaces Consider the surfaces defined by the following equations. a. Identify and briefly describe the surface. b. Find the xy-, xz-, and yz-traces, when they exist. c. Find the intercepts with the three coordinate axes, when they exist. d. Make a sketch of the surface. 22. y = 4 x 2 + z 2 9
Solution Summary: The author explains that the given equation is an elliptic paraboloid. It can be written as in this form ly=4x2+
Identify and sketch the surfaces described by the given equations. Explain.
Consider the following equation of a quadric surface.
x=9-y² - 9z²
a. Find the intercepts with the three coordinate axes, if they exist.
b. Find the equations of the xy-, xz-, and yz-traces, if they exist.
c. Sketch a graph of the surface.
a. Find the x-intercepts, if they exist. Select the correct choice below and, if necessary, fill in the answer box to complete your
choice.
A. The x-intercept(s) is/are located at x =
(Use a comma to separate answers as needed.)
B. There is no x-intercept.
Consider the following equation of a quadric surface.
y²
25
100
+
= z²
a. Find the intercepts with the three coordinate axes, if they exist.
b. Find the equations of the xy-, xz-, and yz-traces, if they exist.
c. Identify and sketch a graph of the surface.
a. Find the x-intercepts, if they exist. Select the correct choice and fill in any answer boxes within your choice.
A. The surface intersects the x-axis at x =
(Use a comma to separate answers as needed.)
B. There are no x-intercepts.
Elementary Statistics: Picturing the World (7th Edition)
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