WeBWorK Standalone Renderer

Sketch a graph of each surface. Then, match each surface to its brief description in words.

1. $z = x^2 + 9 y^2 + 4$

2. $1 x + 5 y + 4 z = 4$

3. $x = 3$

4. $z = -3$

5. $z = 6 y^2$

A. Point
B. Vertical line
C. Horizontal line
D. Horizontal plane
E. Elliptic paraboloid
F. Skew plane
G. Skew line
H. Parabolic cylinder
I. Vertical plane

You can earn 60% partial credit for 3 - 4 correct answers.