which of the following is the nature of the roots of the quadratic equation if the value of its discriminant is positive and not a perfect square
a. the roots are not real
b. the roots are rational and equal
c. the roots are irrational
d. the roots are rational and not equal
a. the roots are not real
b. the roots are rational and equal
c. the roots are irrational
d. the roots are rational and not equal
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Answer:
C. the roots are irrational
Step-by-step explanation:
if D=0 then the roots are real, rational and equal
if D is positive and a perfect square, then the roots are real, rational and unequal
if D is positive and not a perfect square, then the roots are real, unequal and irrational
if D is negative, then the roots are not real or imaginary