##### Across

**4.**.............is another name for the absolute value of a complex number**8.**If tangent line is parallel to x axis, then slope is ....**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).**10.**Every ....... function is continuous.**11.**The .... of differential equation is ..... of highest order derivative.**13.**The rate of change of position with respect to time.**16.**A square matrix is ......... if A'=A.**19.**The derivative represents the average ..... of change.**20.**Two vectors are called ....... if they are parallel to the same line.**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.**23.**Find the area under the curve y =3x^2 in [-1,1].**24.**Pi is .......... number.**25.**The side of a right triangle opposite the 90 angle.**27.**A ......... matrix does not possess inverse matrix.**29.**1-5i is .......... of 1+5i

##### Down

**1.**A line that intersects the circle at exactly one point.**2.**Log base e is also called ......log.**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?**5.**Pi is circumference divided by ...........**6.**The ratio of the vertical rise to the horizontal run between any two points on line.**7.**If |A|=0, then matrix A is called .....matrix.**12.**A .......... is two curves that are like infinite bows**14.**Let z' be a complex conjugate of z, than z−z'/2i is...... number.**15.**The slope of tangent line is also known as.............**17.**A ........ has an eccentricity of zero.**18.**(trrue/false) The vertex is halfway between the focus and directrix.**21.**The number of quadrants in a coordinate system.**22.**....... is reverse process of differentiation.**26.**Those quantities which have magnitude as well as directions are called ......**28.**If y=secx+tanx then dy/dx is .........