Question
Find the discriminant for the quadratic equation f(x) = 5x^2 - 2x + 7 and describe the nature of the roots.
discriminant is 144, one real root
discriminant is -136, two complex roots <--?
discriminant is -136, one complex root
discriminant is 144, two real roots
If a binomial, x - a, divides a polynomial, what must be true in order for x - a to be a factor of the polynomial?
The remainder has to be 0.
The polynomial must be degree 3.
It must divide the polynomial in half. <-- ?
There cannot be any other factor x = a.
discriminant is 144, one real root
discriminant is -136, two complex roots <--?
discriminant is -136, one complex root
discriminant is 144, two real roots
If a binomial, x - a, divides a polynomial, what must be true in order for x - a to be a factor of the polynomial?
The remainder has to be 0.
The polynomial must be degree 3.
It must divide the polynomial in half. <-- ?
There cannot be any other factor x = a.
Answers
one out of two
if something goes into something else "evenly" (wholly), then ...
if something goes into something else "evenly" (wholly), then ...
Which one is correct and huh? sorry I'm lost
1st one is correct
the division hint is for the 2nd
the division hint is for the 2nd
Thanks! :)