Subject: MATHEMATICS 8 A. Write R if the given expression is a Rational Expression and NR if it is not. Write your answer on the space provided. 1.5-8 2. 2x2 + 11 3. V8x - 157 4.6x Зу 5. (x+2) x?+ 5x + 6 6.X-X-30 20x 7. X-5 x² - 6x + 5 8.-25xyz 9.X-12 x + 7x 10. V16x2