# maths

##### Across
1. 4. .............is another name for the absolute value of a complex number
2. 8. If tangent line is parallel to x axis, then slope is ....
3. 9. A ........ is the set of all points in the plane equidistant from a given line (directrix) and a given point F not on the line (the focus).
4. 10. Every ....... function is continuous.
5. 11. The .... of differential equation is ..... of highest order derivative.
6. 13. The rate of change of position with respect to time.
7. 16. A square matrix is ......... if A'=A.
8. 19. The derivative represents the average ..... of change.
9. 20. Two vectors are called ....... if they are parallel to the same line.
10. 21. (trrue/false) The Rolle's theorem states that integral of f(x)is equal to the area of f(x) over the subsequent interval.
11. 23. Find the area under the curve y =3x^2 in [-1,1].
12. 24. Pi is .......... number.
13. 25. The side of a right triangle opposite the 90 angle.
14. 27. A ......... matrix does not possess inverse matrix.
15. 29. 1-5i is .......... of 1+5i
##### Down
1. 1. A line that intersects the circle at exactly one point.
2. 2. Log base e is also called ......log.
3. 3. (Yes/Noo)Does the values 0.1, 0.3, 0.5 show the value of a valid probability function on the outcomes in a sample space?
4. 5. Pi is circumference divided by ...........
5. 6. The ratio of the vertical rise to the horizontal run between any two points on line.
6. 7. If |A|=0, then matrix A is called .....matrix.
7. 12. A .......... is two curves that are like infinite bows
8. 14. Let z' be a complex conjugate of z, than z−z'/2i is...... number.
9. 15. The slope of tangent line is also known as.............
10. 17. A ........ has an eccentricity of zero.
11. 18. (trrue/false) The vertex is halfway between the focus and directrix.
12. 21. The number of quadrants in a coordinate system.
13. 22. ....... is reverse process of differentiation.
14. 26. Those quantities which have magnitude as well as directions are called ......
15. 28. If y=secx+tanx then dy/dx is .........