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Difficulty—
In how many places does the graph of the equation \(y=ax^2+bx+c\) intersect the \(x\)-axis?
(1) \(ac=4\)
(2) \(\sqrt{b}=\sqrt5\)
Answer: C
Source: Princeton Review
(1) \(ac=4\)
(2) \(\sqrt{b}=\sqrt5\)
Answer: C
Source: Princeton Review
