Linear Equations

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Across
  1. 4. the amount of money invested or borrowed at a certain rate of interest
  2. 5. an equation that contains a variable or variables
  3. 6. an equation that is true for all values of the variable
  4. 8. a letter or symbol used to represent an unknown
  5. 10. the number 0 (for the real numbers)
  6. 11. a value or values of the variable that make an algebraic sentence true
  7. 12. a(b + c) = ab + ac or a(b - c) = ab - ac
  8. 13. a payment for the use of money borrowed or invested
  9. 14. Property when the sides of an equation are interchanged, an equivalent equation is formed; if a = b, then b = a
Down
  1. 1. the reciprocal of a number; if x is a number other than zero, then 1/x is the multiplicative inverse; the product of a number and its multiplicative inverse is 1
  2. 2. an equation containing more than one variable
  3. 3. the number 1 (for the real numbers)
  4. 7. a mathematical sentence whose verb is 'equal' (=)
  5. 9. terms that have the same variable(s), with each variable raised to the same exponent