Question

2. True or False statement
i. There are no reals roots of the quadratic equation x2+4x+5=0
ii. The roots of the equation x2 - 1=0 are 1,-1
iii. A quadratic equation can have at most 2 real roots
iv. In a quadratic equation ax2+bx+c=0,if a and c are of same sign and b is zero ,the quadratic equation has real roots.
v. In a quadratic equation a x2+bx+c=0 , if a and c are of opposite sign, then quadratic equation will definitely have real roots
vi. for k > 0,the quadratic equation 2 x2+6x-k=0 will definitely have real roots
vii. If the roots of the quadratic equation are rational, the coefficient of the term x will also be rational.
viii. if the roots of the quadratic equation are irrational, the coefficient of the term x will also be irrational
ix. Every quadratic equation will have rational roots.

Answer 1

Answer:

this is a very big can't answer

Answer 2

Answer:

false

true

true

true

true

false

true

false

true

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