7. What kind of roots does the quadratic equation have when the value of b² - 4ac is 0?
A. rational and equal
C. rational and not equal
B. irrational and equal
D. irrational and not equal
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7. What kind of roots does the quadratic equation have when the value of b² - 4ac is 0?
A. rational and equal
C. rational and not equal
B. irrational and equal
D. irrational and not equal
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Answer:
Rational and equal.
Step-by-step explanation:
If the discriminant is 0, meaning the value of the roots are the same.