Across
- 4. graph of a quadratic polynomial
- 5. the region bounded by an arc and pair of radii of the circle.
- 6. the reciprocal of cosine is ____.
- 8. the observation in a dataset with the highest frequency.
- 9. the angle of ___ of an object viewed is the angle formed by the line of sight with the horizontal when it is below the horizontal level.
Down
- 1. an event having only one outcome is called an ___ event.
- 2. the ____ to the circle is perpendicular to the radius to the point of contact.
- 3. A ______ equation in the variable x is of the form ax²+bx+c=0, where a, b, c are real numbers.
- 6. if two angles of one triangle are respectively equal to 2 angles of another triangle, then the two triangles are ___.
- 7. volume of a solid is equal to ___ of base times perpendicular height.