fastlillian fastlillian

03-04-2018
Mathematics

contestada

What are the solutions for x when y is equal to 0 in the quadratic function.
Y=x^2-25

A. x = 5
B. x = −20 or x = 5
C. x = 5 or x = −5
D. x = 10 or x = −15

Respuesta :

Bladerunner1976 Bladerunner1976

03-04-2018

[tex]x^2 -25 = 0 \\ x^2=25 \\ x=+/- \sqrt{25} \\ x = +/- 5[/tex]

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