Zeroes of Polynomials

 $If\ \alpha,\beta\ are\ the\ zeroes\ of\ 3x^2-5x+2,\ then\ \alpha+\beta=$  

•  $\frac{3}{5}$  

•  $\frac{-5}{3}$  

•  $\frac{5}{3}$  

•  $\frac{-3}{5}$  

If $\alpha$ and  $\beta$ are the zeroes of a polynomial, such that  $\alpha+\beta=6$ and  $\alpha\beta=4$ , then write the polynomial 

•  $x^2-6x+4$  

•  $x^2-6x-4$  

•  $x^2+6x+4$  

•  $x^2+6x-4$  

Find a quadratic polynomial, whose sum and product of zeroes are $\frac{-8}{3}$ and  $\frac{4}{3}$ , respectively.

•  $3x^2+8x+4$  

•  $3x^2-8x+4$  

•  $x^2+8x+4$  

•  $x^2-8x+4$  

Find the quadratic polynomial whose zeroes are 3 and -4, respectively

• $x^2+x+12$

• $x^2-x+12$

• $x^2+x-12$

• $x^2-x-12$

If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is

• 10

• 5

• -10

• -5

What is the degree of a constant polynomial

• 1

• 0

• 3

• -1

A quadratic polynomial, whose zeores are -4 and -5, is

• x² - 9x + 20

• x² + 9x + 20

• x²-9x- 20

• x² + 9x- 20

What is the number(s) of zeores that a cubic polynomial has/have

• 1

• 2

• 3

• 4

If 1 is one of the zeroes of the polynomial x² + x + k, then the value of k is

• 2

• 4

• -2

• -4

The zeroes of the quadratic polynomial x² – 18x + 81 are

• both negative

• both equal and positive

• one positive and one negative

• both positive and unequal