dimaibrahim05 dimaibrahim05

01-05-2020
Mathematics

contestada

What are the solution(s) of the quadratic equation 98 - x2 = 0?
O x = +277
O x = 15/3
O x = 1772
ESP
O
no real solution

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-05-2020

Answer:

±7sqrt(2) = x

Step-by-step explanation:

98 - x^2 =0

Add x^2 to each side

98 -x^2 +x^2 = 0+x^2

98 = x^2

Take the square root of each side

±sqrt(98) = sqrt(x^2)

±sqrt(49*2) = x

±sqrt(49)*sqrt(2) = x

±7sqrt(2) = x

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