Who Am I?

12345678910
Across
  1. 4. - Both numbers have the same absolute value but different signs
  2. 5. - Is the actual distance of the integer from zero, in a number line
  3. 8. - Create , do or express (an idea) in a concise or systematic way
  4. 9. - The number of times a given factor appears in the factored form of the equation
  5. 10. - The original amount of money borrowed or invested, on which interest is calculated
Down
  1. 1. - Is an algebraic expression with a single term but can have multiple variables and a higher degree too
  2. 2. - A number that is raised to a power
  3. 3. - The bottom number or expression in a fraction
  4. 6. - The number found under a radical symbol
  5. 7. - A single point of reference for a coordinate system, from which all other values can be measured