Complex Numbers

12345678
Across
  1. 2. a part of a whole.
  2. 4. the bottom number of a fraction.
  3. 7. solve the equation for one variable, and substitute the value of the variable in the other equation.
  4. 8. All the natural numbers, decimals and fractions come under this category.
Down
  1. 1. the process of solving a system of simultaneous equations by using various techniques to remove variables successively.
  2. 3. the top number of a fraction.
  3. 5. the part of the quadratic formula underneath the square root symbol: b²-4ac
  4. 6. the numbers that are expressed in the form of a + bi.