SOLUTION: Number of Solutions Find b2 - 4ac and the number of real solutions to each equation. -3x^2+7x=0 **Do not understand this one, thank you for your help!

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Question 336326: Number of Solutions
Find b2 - 4ac and the number of real solutions to each
equation.
-3x^2+7x=0

**Do not understand this one, thank you for your help!

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


Subtract from to get


So the discriminant is


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


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

Also, feel free to check out my website.

Jim

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