8. The number of variation in signs of P(-x) is equal to the number of negative real solution of P(x). Answer: 9. If a number n makes a polynomial function P(x) equals to zero when it is subtituted for x, then n is a zero of the function. Answer: 10. If x - 1 is a factor of the polynomial P(x), then P(1)_= 0. Answer:Write the word TRUE if the statement is correct. If it is FALSE, change the underlined word/s to make the statement correct. 1. If 5 is a root of the polynomial equation P(x) = 0, then x + 5 is a factor of P(x). Answer: 2. In P(x) = x(x-3)3(x+1), -1 is also a zero of P(x). Answer: 3. The Descartes' Rule of Signs provide a way of determining the number of possible number of positive and negative zeros of polynomial function. Answer: 4. Long Division is a shortcut process of dividing the polynomial by a binomial of the form x - r. Answer: 5. If a polynomial P(x) is divided by (x - r) , where r is a constant, then the remainder is represented by P(r). Answer: 6. If there are three variation of signs for P(-x), then there are 3 positive real roots. Answer: 7. The number of variation in signs in P(x) is equal to the number of positive real solution of P(x)