Mathematics
Methods of Solving Quadratic Equations
द्विघात समीकरणों को हल करने की विधियाँ
In this Class 10 Mathematics topic from the chapter Quadratic Equations, students learn how to find the values of an unknown variable that satisfy a quadratic equation. They practise solving equations by factorisation, completing the square, and using the quadratic formula, while learning when each method is useful. The topic also develops skills in identifying coefficients, calculating the discriminant, checking solutions, and interpreting whether an equation has two, one, or no real roots.
Practice questions
581If the roots of (x^2-12x-28=0) are (\alpha,\beta), what is (\alpha^2\beta+\alpha\beta^2)?→582If one root of (x^2+px+64=0) is double the other and both are negative, what is (p)?→583What is the difference between the roots of (x^2-13x+7=0)?→584What is the correct statement about real roots of (7x^2-14x+19=0)?→585Which completed square form is correct for (7x^2-14x+19=0)?→586If roots of (x^2-16x+48=0) are (\alpha,\beta), which equation has roots (\alpha+6,\beta+6)?→587If the roots of (x^2-26x+165=0) are (\alpha,\beta), what is (\frac{\alpha}{\beta}+\frac{\beta}{\alpha})?→588If the quadratic equation \(kx^2-26x+169=0\) has equal roots, what is the value of \(k\)?→589What is (k) for equal roots of (x^2-2(k+7)x+k^2=0)?→590If ((x-7)(x-15)=26), what is the standard quadratic equation?→591What are the roots of (x^2-22x+79=0) by quadratic formula?→