Asked by Anonymous

with the polynomial: 2x^2 + 7x - 15 = 0

do these apply?

There are 2 real roots.
There are 2 irrational roots.
Answered by Reiny
well, both can't be true, can they ?

Hint, have you calculated the discriminant ?
Answered by Anonymous
Yes it is 169
Answered by Anonymous
Oh, so there are 2 real roots?
Answered by Reiny
You got it, and to top it off, since 169 is a perfect square they are even rational
(still real though)
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