SOLUTION: please help please help I have the correct information now sorry please show plot the graph y=log3x polynomial 7x^2 + x + 5 thank you so much

Algebra.Com
Question 173985This question is from textbook
: please help please help
I have the correct information now sorry
please show plot the graph
y=log3x

polynomial
7x^2 + x + 5
thank you so much
This question is from textbook

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
please help please help
I have the correct information now sorry
please show plot the graph
y=log3x
I have to figure out how to do graphs on the site.
If you have Excel, you can do it on that.
If you email me at gsihoutx@aol.com, I can graph it, scan it, and email it to you.
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polynomial
7x^2 + x + 5
Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)
Quadratic equation (in our case ) has the following solutons:



For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

The discriminant -139 is less than zero. That means that there are no solutions among real numbers.

If you are a student of advanced school algebra and are aware about imaginary numbers, read on.


In the field of imaginary numbers, the square root of -139 is + or - .

The solution is , or
Here's your graph:




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