Answer:

•If Δ<0, then roots are imaginary (non-real) and beyond the scope of this book.

•If Δ≥0, the expression under the square root is non-negative and therefore roots are real.

•If Δ=0, the roots are equal and we can say that there is only one root.

I'm not sure but I hope it's help

pa brainlist if correct for you

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