PROOF 124
Prove.
The discriminant and the number of x-intercepts
On the real numbers ℝ.
Definition D1
The graph G of f(x) = ax² + bx + c (a ≠ 0) is the set of all ordered pairs (x, f(x)).
Proof.
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PROOF 124
The discriminant and the number of x-intercepts
On the real numbers ℝ.
Definition D1
The graph G of f(x) = ax² + bx + c (a ≠ 0) is the set of all ordered pairs (x, f(x)).
Proof.
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