7. 8. 9. 10. 11. Subtraction is adding an opposite. 12. a) b) 13. a) x-16 b) 8 14. Yes, it is true. 15. a) Prime b) Composite 16. Yes, the expression is a perfect-square trinomial. 17. A rational number can be written as a ratio of two numbers. Irrational numbers can’t be written as a simple fraction. 18. a) There are three terms in P. b) There are two terms in Q. c) If we multiply P and Q, there are four terms. 19. a) Rational b) Irrational 20.
7. 8. 9. 10. 11. Subtraction is adding an opposite. 12. a) b) 13. a) x-16 b) 8 14. Yes, it is true. 15. a) Prime b) Composite 16. Yes, the expression is a perfect-square trinomial. 17. A rational number can be written as a ratio of two numbers. Irrational numbers can’t be written as a simple fraction. 18. a) There are three terms in P. b) There are two terms in Q. c) If we multiply P and Q, there are four terms. 19. a) Rational b) Irrational 20.
Unit-11-Test-WORD.docx