GRADE X_CH 2_POLYNOMIALS_MA_240723

What is the degree of a zero polynomial?

• 0

• 1

• Undefined

• Any real number

Answer explanation

Zero polynomial is defined as 0. Hence degree cannot be defined.

What is the degree of the polynomial shown in the image?

• 1

• 2

• 3

• 4

Find the number of zeroes from the following graph.

The degree of the polynomial y(y+2)(y-3) is:

• 1

• 3

• 2

• Undefined

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

• x² - 9x + 20

• x² + 9x + 20

• x²-9x- 20

• x² + 9x- 20

• 0

• -1

• -2

• -5

• Both positive

• Both negative

• One positive and one negative

• Cannot be factorised

If $\alpha$ and  $\beta$ are the zeroes of the quadratic polynomial  $p\left(x\right)=x^2-\left(k+6\right)x+2\left(2k-1\right)$ . Find the value of  $k$ , if  $\alpha+\beta=\frac{\alpha\beta}{2}.$  

• -8

• 8

• -7

• 7

For what real value of k, is 3 a zero of the polynomial 2x² + x + K² ?