Quadratic… | NUST Entrance Test Mathematics

MM

Mashaal Masha

Sep 29, 2022

Choose the correct options for the following questions.

What value of x is the solution of the polynomial $x^{3}-28x-48=0$

Difficulty: Easy

A:

4

B:

-4

C:

2

D:

-2

If (x+1) and (x-2) are factors of $x^{3}-Px^{2}+qx+2$, then P+q=

Difficulty: Easy

A:

-2

B:

1

C:

-1

D:

3

Which of the following is the factor of $x^{4}+x^{3}-21x^{2}+20$

Difficulty: Easy

A:

x+3

B:

x+2

C:

x-2

D:

x-5

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