Systems of Equations

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Across
  1. 1. a pictorial representation or a diagram that represents data or values in an organized manner.
  2. 3. a quantity that can be changed and is not fixed.
  3. 5. a mathematical statement that shows that two mathematical expressions are equal.
  4. 6. putting numbers in place of letters to calculate the value of an expression .
  5. 9. no value, not even 0, which would satisfy the equation.
  6. 10. the y-coordinate of a point where a line, curve, or surface intersects the y-axis.
Down
  1. 2. lines in a plane that are always the same distance apart.
  2. 4. the process of solving a system of simultaneous equations by using various techniques to remove the variables successively.
  3. 7. A value or values which, when substituted for a variable in an equation, make the equation true.
  4. 8. a measure of its steepness.