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OpenStudy (anonymous):
Using graphing technology, approximate where the graph of y = 5x^2 − 3x − 9 crosses the x-axis. (1.55, 0) and (−1.15, 0) (1.23, 0) and (−1.26, 0) (1.32, 0) and (−1.01, 0) (1.68, 0) and (−1.08, 0)
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Parth (parthkohli):
Ever heard about Wolfram? That's the technology you'd ever need at any subject!
OpenStudy (anonymous):
what u do
Parth (parthkohli):
http://www.wolframalpha.com/input/?i=f%28x%29+%3D+5x%5E2+-+3x+-+9 See the graph here?
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