Pre-Calculus Crossword Puzzle

3. a curve obtained from a cone's surface intersecting a plane
4. the height from the centerline to the peak
9. using log rules to break down logarithms into steps
10. moving or extending in different directions from a common point
14. the point where a line either reaches a limit or meets another
15. the plane formed by the complex numbers
17. a measure of how closely two vectors align
18. a hollow circle, representing that the function approaches the point but is not defined at that precise value
19. "every non-constant polynomial equation with complex coefficients has at least one complex root"

1. an element of a number system that extends the real numbers with a specific element denoted I
2. the sum of finite terms of a geometric sequence
5. describes the algebraic expansion of powers of a binomial
6. the number of times a cycle is completed in a given time unit
7. an oval shape with two foci and two axes
8. the distance between two points along a section of a curve
11. the number with an equal real part and an imaginary part equal in magnitude but opposite in sign
12. a line perpendicular to the axis of symmetry of a parabola and does not touch the parabola
13. using log rules to combine separate logarithmic terms
16. two points whose sum of distances from any point on the ellipse is always the same