SOLUTION: I am having a very difficult time with quadratic equations. Can someone please help me with this question? It is greatly appreciated! What does the final term in the quadratic e

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Question 632408: I am having a very difficult time with quadratic equations. Can someone please help me with this question? It is greatly appreciated!
What does the final term in the quadratic equation x2 + 2x - 7 mean, and how do we find this term on the graph?

Found 2 solutions by solver91311, josmiceli:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


It is the value of the function when the independent variable takes on the value 0. It is the -coordinate of the -intercept, i.e. the point where the graph of the function crosses the -axis.

John

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Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

You need to get a big picture of it.
What you've got is
y = ( some terms with in them ) - 7
---------------------------------
The just pulls negative
by the same amount,
for each value of that you plug into
the right side.
------------
I'll do 3 plots:



---------

See how the straight line pulls down ?

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