linear equations

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