LHawk35531
16.04.2021 •
Mathematics
Pls answer I need answers no links pls answer i will give brainlesr
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Ответ:
Ответ:
Axis: x=2, vertex: (2,4)
Step-by-step explanation:
To find the axis of symmetry and vertex you need the formula -b/2a.
In this case, b is 4 and a is -1. Therefore, the value is -4/-2 or 2.
So the, axis is x=2 and so is the x-value of the vertex. Now to find the y value of the vertex, plug in the x-value(2) into the equation.
>-(2)^2 +8
>-4+8
>4