Across
- 1. a line that touches a circle at exactly one point
- 5. If the common difference of an AP is zero, all terms are ________.
- 8. the point where the tangent touches the circle
- 9. A quadratic equation has how many roots?
- 10. the radius drawn to the point of contanct of a tangent is always ___
Down
- 2. he sequence 2, 4, 6, 8... is an example of an ________.
- 3. the difference between any two consecutive terms of an AP
- 4. If the discriminant is less than zero, the roots are
- 6. A line segment joining two points on a circle is called a ________.
- 7. The longest chord of a circle is always the ________.