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OpenStudy (bahrom7893):
where's the graph?
OpenStudy (saifoo.khan):
Uploading?
OpenStudy (anonymous):
OpenStudy (anonymous):
i posted it
OpenStudy (bahrom7893):
positive
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OpenStudy (anonymous):
18
–11
36
0
OpenStudy (saifoo.khan):
This is b/c the graph cuts the x-axis twice
OpenStudy (saifoo.khan):
Use
b^2 - 4ac
to find the value
OpenStudy (anonymous):
those are the anwer choices
OpenStudy (anonymous):
how do i do that lol
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OpenStudy (saifoo.khan):
Try finding by inserting the values..
OpenStudy (saifoo.khan):
Use
b^2 - 4ac
to find the numeric value,
Where's the equation?
OpenStudy (anonymous):
they didnt give me an equation they gave me this
What is the possible discriminant of the graph?
Answer
18
–11
36
0
OpenStudy (anonymous):
:(
OpenStudy (accessdenied):
1st Note: I see that there are two points where the graph intersects the x-axis, so there are two real solutions to the function graphed. This means that the discriminant is positive.
2nd Note: I also see that the vertex and the zeros are all at 'nice' numbers -- all integers. This would mean that we have a discriminant that, when evaluated under a radical, is a 'nice' number.
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OpenStudy (accessdenied):
i should say, two real zeros for the function graphed.