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CBSE Class 10 Maths (Standard) 2023 · Paper 30/2/1 · Question 1

Quadratic Equations 1 mark Medium

Which of the following quadratic equations has sum of its roots as

4

?

(a) $2 x^{2} - 4 x + 8 = 0$
(b) $- x^{2} + 4 x + 4 = 0$
(c) $2 x^{2} - \frac{4}{2} x + 1 = 0$
(d) $4 x^{2} - 4 x + 4 = 0$

Answer

(b)

- x^{2} + 4 x + 4 = 0

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