Maths is fun

4. a smooth curve joining two endpoints.
6. Can be expressed in the form p/q where q is unequal to 0
8. the horizontal coordinate of a point in a plane Cartesian coordinate system obtained by measuring parallel to the x-axis
10. a solution to an equation, usually expressed as a number or an algebraic formula.
11. the area contained by the x and y axes
12. the practice or maths of collecting and analysing numerical data in large quantities
17. a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares
18. expression which is composed of variables, constants and exponents
19. a number that is divisible only by itself and 1

1. a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power
2. non-terminating and non-repeating decimal expansion
3. find the value of any one of the variables from one equation in terms of the other variable
5. part of the quadratic formula underneath the square root symbol
7. Zero and its operation are first defined by him
9. an angle greater than 90 degree and less than 180 degree
13. relation which makes a non-equal comparison between two numbers or other mathematical expressions.
14. the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.
15. an important constant that is found in many contexts and is the base for natural logarithms
16. a unit of angle measure
19. the ratio of the circumference of any circle to the diameter of that circle.