practice ch1 2 and 3

The zero ofvthe polynomial ax+b

• a/b

• b/a

• -a/b

• -b/a

Ifv3 is a zero of the polynomial x²+2x-a then the value of "a" is

• 9

• 15

• -15

• 3

If 1 is a zero of the polynomial p(x) = ax² – 3(a – 1) x – 1, then find the value of a.

• 1

• 0

• 2

• 3

Using division algorithm, find the quotient on dividing f(x) by g(x), where f(x) = 6x³ + 13x² + x – 2 and g(x) = 2x + 1

• 3x²+5x-2

• 3x²-5x+2

• 3x²+5x+2

• none of the above

The degree of the polynomial (x + 1)(x² – x – x⁴ +1) is:

• 2

• 3

• 4

• 5

Check whether the polynomial

q(t) = 4t³ + 4t ² – t – 1 is a multiple of

2t + 1.

• no

• cannot be determined

• yes

• none of these

1.

Find the remainder when

x³ – ax² + 6 x – a is divided by x – a.

• a

• 2a

• -5a

• 5a

Factorise y² +5y -6

• (y+6)(y-1)

• (y+3)(y+2)

• (y-3)(y+2)

• (y – 2)(y – 3)

Factor

x² - 13x + 36

• A

  (x + 9)(x + 4)

• B

  (x - 9)(x - 4)

• C

  (x + 9)(x - 4)

• D

  (x - 9)(x + 4)

Find the remainder obtained on dividing p(x) = x³ + 1 by x + 1.

• 0

• 1

• 2

• 3