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## Homework subject

Hi! Can anyone help me with my maths homework please? I'd like to know **what is the root of an equation** please.

## Homework progress

I don't understand. Thanks for helping!

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The root of an equationis the value of x where the graph of the equation crosses the x-axis. It corresponds to the solution(s) of the equation where f(x) =0. By the way, the function changes sign as it passes through a root.