7 1/4% equals 7.25% and there is your answer.
Answer would be D You can have a rational discriminant for an irrational root, but you can also have rational discriminant for a rational root. So C is partially correct.
<span>All prime discriminants will result in an irrational root, but not all irrational roots have prime discriminants </span>
Answer:
D
Step-by-step explanation:
First we take 5/3/4 so that we can find the unit rate. We get 20/3, if we divide 3/20 we get 6 2/3.