and 21. 27. A fourth degree polynomial, P(x), with real coefficients has 4 distinct zeroes. Two of these zeros are - Which of the following is a logical conclusion about the other zero(s)? A. The other zeroes must be 5 and -2i. В. One of the other zeroes must be -5 t 2i. C. One of the other zeroes must be 5. D. The other zeroes must be -2i and a real number.

Q: Find necessary and sufficient conditions on the numbers a, b, c E R under which the polynomial xª +…

A:

Q: D 20. Marco wants to show that x³-y - (x-y)x² +xy +y is true for all values of x and y. Marco makes…

A: The given identity is  x3-y3= (x-y)(x2+xy+y2)

Q: Which of the following is a root of the polynomial x? – 4x + 13? O A. 3+ 4i O B. 2 – 3i O C. 4- 5i O…

A: We have to find roots

Q: | Using the rational root theorem for the polynominl 5z–2²+2-12, what are the values of esting?

A: The given polynomial is p(x)=5x3-2x2+x-12

Q: Q6. The graph of polynomial function is given below. a) Find the zeros -3,942 b) Discuss the…

A: given graph of function f(x)

Q: 3. The graph shows a 4th degree polynomial. How many real and imaginary zeros does the polynomial…

A:

Q: a.) Show that i is a zero of the polynomial x³ – ix? + 2ix + 2. b.) -i is not a zero of the same…

A: a. Consider the given polynomial: Since So, complex number i is one zero of . But

Q: If x=3 and x= -5 are zeros of  4x4-20x3-31x2-170x-75, find the other zeros algebraically

A: The question is wrong please look at the question again x = 3 is not a zero of the given polynomial.

Q: 5. Use end behaviours, turning points, and zeros to determine which graph represents the polynomial…

A:

Q: Assume that the polynomial 7? + bx +c = 0 in which b, cE Z, has two integer solutions. Which one of…

A: We have to equation as - x2 + bx + c = 0.......(1) The above equation (1) is a quadratic equation…

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.