Which of the following is a quadratic equation in one variable?
Answer and explanation
Correct answer: \(x^2-5x+6=0\)
A quadratic equation has the form \(ax^2+bx+c=0\), where \(a\ne0\). In option A, the highest power of x is 2. Option B is cubic, while D is linear. Exam tip: check the degree after simplifying fractions.
Frequently asked questions
What is the correct answer to this question?
\(x^2-5x+6=0\)
Why is this the correct answer?
A quadratic equation has the form \(ax^2+bx+c=0\), where \(a\ne0\). In option A, the highest power of x is 2. Option B is cubic, while D is linear. Exam tip: check the degree after simplifying fractions.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Introduction to Quadratic Equations.
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