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arixox
19.10.2020 •
Mathematics
Describe the solutions to the quadratic equation below: x^2+6x+9=0
2 irrational roots
2 complex roots
1 rational (double) root
2 rational roots
Solved
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Ответ:
Step-by-step explanation:
Given
The attached square
Required
Find BE
First, we calculate BD (the diagonal) using Pythagoras theorem.
Since the shape is a square, then
So:
Take square roots
BE is half BD.
So: