Nature of roots and Sum and Product of a Quadratic Equation

A. -16

B. -4

C. 4

D. 16

A. 0

B. 1

C. 2

D. 3

A. 𝑥²+𝑥+1=0

D. 4+3𝑥²+3x=0

C. 2𝑥²−6𝑥+6=0

D. 3𝑥² - 9x +3=0

A. The discriminant is negative.

B. The discriminant is equal to zero.

C. The discriminant is positive and a perfect square.

D. The discriminant is positive and not perfect square.

A. The discriminant is negative.

B. The discriminant is equal to zero.

C. The discriminant is positive and not perfect square.

D. The discriminant is positive and a perfect square.

A. The roots are real, rational and equal.

B. The roots are imaginary and unequal.

C. The roots are real, irrational and unequal.

D. The roots are real, rational, and unequal.

A. The roots are real, rational and equal.

B. The roots are imaginary and unequal.

C. The roots are real, irrational and unequal.

D. The roots are real, rational, and unequal.

A. 𝑡=±6

B. 𝑡=±96

C. 𝑡=±√6

D. 𝑡=±4√6

A. 9−6𝑥+𝑥²=0

B. 𝑥²+2𝑥+2=0

C. 𝑥²+4𝑥−21=0

D. 4𝑥²+12𝑥+10

A. 𝑘< 25/8

B. 𝑘<−25/8

C. 𝑘>−25/8

D. 𝑘>25/8