What is the dot product of vector A (2, -3, 4) and vector B (5, 1, -2)?
+
What is the equation of an ellipse with center (-2,3), major axis 8 units long, minor axis 6 units long, and major axis parallel to the y-axis?
+
What is the equation of an ellipse with a major axis parallel to the y-axis, center at (0,0), a vertical major axis length of 8, and a vertical minor axis length of 4?