Intermediate Algebra

Use the discriminant to determine whether the follow equations have solutions that are:
-two different rational solutions
-two different irrational solutions
-exactly one rational solution or
-two different imaginary solutions.

8x^2+7x+3=0

1. 👍 0
2. 👎 0
3. 👁 50
1. evaluate b^2 - 4ac

= 49-4(8)(3) = -47

look in your notes or textbook
If the discriminant is negative, then there are two different imaginary roots or solutions

1. 👍 0
2. 👎 0
posted by Reiny

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