linear equations

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Across
  1. 5. The standard form of a linear equation in two variables is in the form ax +by +c=0 where a and b are________ numbers
  2. 6. the equation x-2=0 on the number line is represented by a ________
  3. 7. a quantity that may change within a mathematical problem
  4. 9. The book on games of chance was written by an ___scientist.
  5. 10. The probability of each event lies ________one and zero.
Down
  1. 1. the probability of an impossible event is_________
  2. 2. when we perform an experiment it is called the _________ of the experiment.
  3. 3. the graph of a linear equation in two variables is a straight line
  4. 4. a linear equation in two variables have_______ solution
  5. 8. the sum of all the probabilities in _______---