faithnavarro2006 faithnavarro2006

20-07-2022
Mathematics

contestada

Which of the following are solutions to the quadratic equation? Check all that apply. x² + 10x + 25 = 7
A. 5
B. -5
C. √7-5
D. -√7-5
E. √7 +5
F. √7

Respuesta :

Medunno13 Medunno13

26-07-2022

Answer: C, D

Step-by-step explanation:

[tex]x^2 +10x+18=0\\\\x=\frac{-10 \pm \sqrt{10^2 - 4(1)(18)}}{2}\\\\x=\frac{-10 \pm \sqrt{28}}{2}\\\\x=-5 \pm \sqrt{7}[/tex]

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