SOLUTION: How many roots does this equation have? x^2-6x+9=0

Question 542210: How many roots does this equation have? x^2-6x+9=0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
To find the number of solutions, first compute the discriminant.

From we can see that , , and

Start with the discriminant formula.

Plug in , , and

Square to get

Multiply to get

Subtract from to get

So the discriminant is

Since the discriminant is equal to zero, this means that there is one real solution.

If you need more help, email me at jim_thompson5910@hotmail.com

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Jim

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