Question

show that each of the following equation has real roots, and solve each by using the quadratic formula. 1) 25x^2+20x+7=0​

Answer 1

Answer:

The given equation is 25x2 + 20x + 7 = 0 Here, a = 25, b = 20 and c = 7 D = b2 – 4ac = (20)2 – 4 x 25 x 7 = 400 – 700 = -300 D < 0 So, the roots of the given quadratic equation are imaginary.Read more on Sarthaks.com - https://www.sarthaks.com/793778/the-roots-of-the-quadratic-equation-25x-2-20x-7-0-are

Answer 2

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