SRTBANDIT6045
06.11.2019 •
Mathematics
Find the vertex and zeros of the following function f(x)=x^2-6x-7
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Ответ:
Try this solution:
Step-by-step explanation:
1) for zeros of the function: x²-6x-7=0; ⇒ x₁=7; x₂= -1.
2) for the vertex of the function: x₀= -b/2a, where a;b;c - numbers from ax²+bx+c=0 (from x²-6x-7=0).
x₀=6/2=3;
y₀= (4ac-b²)/4a; ⇒ y₀= -16.
It means, the coordinates of the vertex are (3;-16).
Ответ:
you can get the answer by measuring it by the half circle shape of substance in geometry box