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25-10-2019
Mathematics

contestada

What are the zeroes of y=x2 - 4x - 5?
1.-5
1.5
-1.-5
-1.5

Respuesta :

25-10-2019

Answer:

Step-by-step explanation:

[tex]y = x^{2} - 4x - 5[/tex]

To find the zeroes of an equation, we set the equation equal to zero and try to find solutions:

[tex]0 = x^{2} - 4x - 5[/tex]

[tex]0 = (x - 5)(x + 1)[/tex]

[tex]x = -1, 5[/tex]

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