SOLUTION: Please help me determine the number of real roots of 7x^2-18x+12

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Question 858838: Please help me determine the number of real roots of 7x^2-18x+12
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Best to use discriminant.
ax%5E2%2Bbx%2Bc polynomial has a discriminant, b%5E2-4ac.
If discriminant equal zero, exactly one real root.
If discriminant less than zero, two complex roots with imaginary component.
If discrim greater than zero, two Real roots.