Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 9 - Section 9.3 - Three-Dimensional Coordinate Geometry - 9.3 Exercises - Page 652: 9

Answer

The plane shown

Work Step by Step

So we are given the equation z=8. In 2D this would be a line but we are thinking in a 3D context. Let's think, all values of x and y would be correct as long a z is 8. This would be a plane extending in all directions.
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