0 reads0 ratings0 helpful
If (p(x)=x^2-14x+45) and (q(x)=x^2-14x+43), which statement is correct?
Advertisement
Answer and explanation
Correct answer: Zeroes of (p(x)) are rational and zeroes of (q(x)) are irrational real
For (p(x)), (D=16) is a perfect square, and for (q(x)), (D=24) is positive but not a perfect square. Thus the first has rational and the second irrational real zeroes.
Frequently asked questions
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=16) is a perfect square, and for (q(x)), (D=24) is positive but not a perfect square. Thus the first has rational and the second irrational real zeroes.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Polynomials. Topic: Irrational numbers and real numbers.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement