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A secant line is defined as a straight line that intersects a curve at two distinct points. For the specific parabola $y = x^2 - 4$, this line passes through the points located at the x-values $x = -1$ and $x = 2$. It is distinct from a tangent line, which touches the curve at only one point.

Conditions: The curve is a quadratic function, specifically $y = x^2 - 4$.; The line must intersect the curve at exactly two distinct points.; The x-values of the intersection points are given as $x = -1$ and $x = 2$.

A secant line is defined as a straight line that intersects a curve at two distinct points. For the specific parabola $y = x^2 - 4$, this line passes through the points located at the x-values $x = -1$ and $x = 2$. It is distinct from a tangent line, which touches the curve at only one point.

Conditions: The curve is a quadratic function, specifically $y = x^2 - 4$.; The line must intersect the curve at exactly two distinct points.; The x-values of the intersection points are given as $x = -1$ and $x = 2$.