probability and linear equations in two variables

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Across
  1. 1. every point on the x axis is ------ to the y axis
  2. 4. ------ is an experiment in which all possible outcomes are known but the exact outcome cannot be predicted in advance
  3. 5. the solution of linear equation is written in the form of ------- pair
  4. 6. a collection of some or all outcomes of a random experiment is called an ------
  5. 8. linear equations in two variables have a ------- solution
  6. 9. A linear equation in two variables has ------- many solutions
Down
  1. 2. An equation in the form of 'ax + by + c = 0' is called a---------- in two variables 'x' and 'y' where a, b and c are real numbers and a and b are not both zeros.
  2. 3. the collection of all possible outcomes is known as ---------
  3. 7. a --------- is an action which results in one or several outcomes