SOLUTION: Please help me with this question. Evaluate the discriminant and predict the type and number of solutions. s^2

SOLUTION: Please help me with this question. Evaluate the discriminant and predict the type and number of solutions. s^2 - 5s-8=0

Question 318386: Please help me with this question.
Evaluate the discriminant and predict the type and number of solutions.
s^2 - 5s-8=0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

From we can see that , , and

Start with the discriminant formula.

Plug in , , and

Square to get

Multiply to get

Rewrite as

Add to to get

Since the discriminant is greater than zero, this means that there are two real solutions.

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