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If (p(x)=x^2-9x+14) and (q(x)=x^2-9x+15), which statement about the types of zeroes is correct?
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Answer and explanation
Correct answer: Zeroes of (p(x)) are rational and zeroes of (q(x)) are irrational real
For (p(x)), (D=81-56=25), a perfect square, so the zeroes are rational. For (q(x)), (D=81-60=21), positive but not a perfect square, so the zeroes are irrational real.
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What is the correct answer to this question?
Zeroes of (p(x)) are rational and zeroes of (q(x)) are irrational real
Why is this the correct answer?
For (p(x)), (D=81-56=25), a perfect square, so the zeroes are rational. For (q(x)), (D=81-60=21), positive but not a perfect square, so the zeroes are irrational real.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
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