Mathematics: Find the zeros of the polynomial function. f(x) = x^2 - 12x + 20 i think the answer is a 2,10 a. 2, 10 b. - 4, -5 c. -2, -10 d. 4, 5

Find the zeros of the polynomial function. f(x)

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zoeyruckel

15.03.2022

◆ QUADRATIC EQUATIONS ◆

$given \: equation \: is \: , \\ \\ {x}^{2} - 12x + 20 = 0 \\ \\ using \: quadratic \: formula \: , \\ \\ x = \frac{ - b + \sqrt{ {b}^{2} - 4ac } }{2a} \: \: \: \: = \frac{ - ( - 12) + \sqrt{ { (- 12)}^{2} - 4(1)(20) } }{2(1)} \\ \\ x = \frac{ - b + \sqrt{ {b}^{2} - 4ac } }{2a} \: \: \: \: = \frac{ - ( - 12) - \sqrt{ { (- 12)}^{2} - 4(1)(20) } }{2(1)} \\ \\ x = \frac{12 + 8}{2} \: \: \: \: \: or \: \: \: \: x = \frac{12 - 8}{2} \\ \\ x = 10 \: \: \: \: \: or \: \: \: \: \: x = 2 \: \: \: ans.$

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Ответ:

anayamulay

25.04.2020

Mathematics

True 9.1 is larger because when u solve the other numbers square root it's 9.0 and then it goes on

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Find the zeros of the polynomial function. f(x) = x^2 - 12x + 20 i think the answer is a 2,10 a. 2, 10 b. - 4, -5 c. -2, -10 d. 4, 5

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