the index in a radical equation appears above and left of the root symbol and tells you what kind of root the radicand is.
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Index, radicand, and radical :) lmfao
Technically,no. A radical equation has a radical (Square root) in it, and has two solutions because the square root can be positive or negative.
radical equations have sq roots, cube roots etc. Quadratic equations have x2.
There is the Index, the coefficient and the Radican
When in doubt always square both sides of the equation.