tina7659
18.03.2021 •
Mathematics
Solve x2 + 7x + x2 + 7x + 9 = 3
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Ответ:
x2 + 7x + x2 + 7x + 9 = 3
Ответ:
To find the x coordinate of the vertex, we use this formula: x=b/2a
So plug everything in and you'll get x=1.
Now plug that in the original equation to find the y coordinate.