1)

The graph of linear polynomial p(x)=3x−6 intersects the x−axis at________

Class 10 Maths

A)

0,5

B)

2,0

C)

0,2

D)

4,5

2)

The graph of the polynomial ax² + bx + c is an upward parabola if

Class 10 Maths

A)

a > 0

B)

a = 0

C)

a > 0

D)

ab

3)

A polynomial of degree 3 is called

Class 10 Maths

A)

a linear polynomial

B)

a quadratic polynomial

C)

a cubic polynomial

D)

a biquadratic polynomial

4)

If α, β are the zeroes of the polynomial x² – 16, then αβ(α + β) is

Class 10 Maths

A)

0

B)

4

C)

-4

D)

45

5)

Zeroes of the polynomial x² – 11 are

Class 10 Maths

A)

±

B)

0

C)

±1

D)

±25

6)

If all three zeroes of a cubic polynomial \(x^3+ax^2+bx+c\) are positive, then which of the following is correct about a,b and c?

Class 10 Maths

A)

b must be positive

B)

a must be positive

C)

c must be positive

D)

b must be negative

7)

Ratio of the sum of the roots of \(x^2−9x+18=0\) to the product of the roots is:

Class 10 Maths

A)

1:2

B)

-1:2

C)

2:1

D)

-2:1

8)

The number of polynomials having zeroes as 4 and 7 is

Class 10 Maths

A)

2

B)

3

C)

4

D)

more than 4