20-11-2020
Mathematics

contestada

A quadratic function has a root at -2i. where is the other root?

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20-11-2020

Answer:

The roots are the x-intercepts, where the parabola crosses the x-axis. If the parabola opens up and it's vertex is below the x-axis then it crosses the x-axis in two places and has two (real) roots.

Step-by-step explanation:

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