#### Answer

One real solution.

#### Work Step by Step

We find the discriminant:
$D=b^{2}-4ac=(2.20)^{2}-4(1)(1.21)=4.84-4.84=0$
The discriminant is 0, so there is one real solution.

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

One real solution.

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