Q1.If one of the zeroes of the quadratic polynomial (kâ1) x

A) 4/3

B) -4/3

C) 2/3

D) -2/3

^{2}+ k x + 1 is â3, then the value of k is.A) 4/3

B) -4/3

C) 2/3

D) -2/3

**Solution: **

Q2. A quadratic polynomial, whose zeroes are â3 and 4, is is

A) x

B) x

C) x

D) 2x

A) x

^{2}– x + 12B) x

^{2}+ x + 12C) x

^{2}/2 – x/2 – 6D) 2x

^{2}+2x -24**Solution: **

Q3. If the zeroes of the quadratic polynomial x

A) a = â7, b = â1

B) a = 5, b = â1

C) a = 2, b = â 6

D) a = 0, b = â 6

^{2}+ (a + 1) x + b are 2 and â3, thenA) a = â7, b = â1

B) a = 5, b = â1

C) a = 2, b = â 6

D) a = 0, b = â 6

**Solution: **

Q4. The number of polynomials having zeroes as â2 and 5 is

A) 1

B) 2

C) 3

D) more than 3

A) 1

B) 2

C) 3

D) more than 3

**Solution: **

Q5. Given that one of the zeroes of the cubic polynomial ax

A) -c/a

B) c/a

C) 0

D) -b/a

^{3}+ bx^{2}+ cx + d is zero, the product of the other two zeroes isA) -c/a

B) c/a

C) 0

D) -b/a

**Solution: **

Q6. If one of the zeroes of the cubic polynomial x

A) b â a + 1

B) b â a â 1

C) a â b + 1

D) a â b â1

^{3}+ ax^{2}+ bx + c is â1, then the product of the other two zeroes isA) b â a + 1

B) b â a â 1

C) a â b + 1

D) a â b â1

**Solution: **

Q7. The zeroes of the quadratic polynomial x

A) both positive

B) both negative

C) one positive and one negative

D) both equal

^{2}+ 99x + 127 areA) both positive

B) both negative

C) one positive and one negative

D) both equal

**Solution: **

Q8. The zeroes of the quadratic polynomial x

A) cannot both be positive

B) cannot both be negative

C) are always unequal

D) are always equal

^{2}+ kx + k, k â 0,A) cannot both be positive

B) cannot both be negative

C) are always unequal

D) are always equal

**Solution: **

Q9. If the zeroes of the quadratic polynomial ax

A) c and a have opposite signs

B) c and b have opposite signs

C) c and a have the same sign

D) c and b have the same sign

^{2}+ bx + c, c â 0 are equal, thenA) c and a have opposite signs

B) c and b have opposite signs

C) c and a have the same sign

D) c and b have the same sign

**Solution: **

Q10. If one of the zeroes of a quadratic polynomial of the form x

A) has no linear term and the constant term is negative

B) has no linear term and the constant term is positiv

C) can have a linear term but the constant term is negative

D) can have a linear term but the constant term is positive.

^{2}+ax + b is the negative of the other, then itA) has no linear term and the constant term is negative

B) has no linear term and the constant term is positiv

C) can have a linear term but the constant term is negative

D) can have a linear term but the constant term is positive.

**Solution: **

**Exercise 2.2âş**

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