Asked by Jass
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.
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