PROOF 30
Prove.
The graph of a linear function is a line
On the coordinate plane.
Definition D1
For distinct points P(x₁, y₁), Q(x₂, y₂) with x₁ ≠ x₂, the slope is m(P, Q) = (y₂ − y₁)/(x₂ − x₁).
Proof.
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PROOF 30
The graph of a linear function is a line
On the coordinate plane.
Definition D1
For distinct points P(x₁, y₁), Q(x₂, y₂) with x₁ ≠ x₂, the slope is m(P, Q) = (y₂ − y₁)/(x₂ − x₁).
Proof.
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