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gerkera88
15.01.2020 •
Mathematics
The graph of a quadratic function y = x^2 + 7x + 10 passes through the point (0,10) and one of its zeros is (-5,0). what’s the other 0 of the function?
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Ответ:
x = - 2
Step-by-step explanation:
given
y = x² + 7x + 10
To find the zeros let y = 0 , that is
x² + 7x + 10 = 0 ← in standard form
(x + 5)(x + 2) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 5 = 0 ⇒ x = - 5 ← zero already given
x + 2 = 0 ⇒ x = - 2 ← the other zero of the function
Ответ:
b
Step-by-step explanation:
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