Casio ClassPad II Custom Commands

lineof (Function)

Command last updated 4/7/2022.

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lineof(a, b, c, d, x)

Returns an expression for the line connecting points (a, b) and (c, d) in terms of x.

Example

Let \(f(x) = x^3 - 5x\). Find the equation of the line through \((-1, f(-1))\) and \((1, f(1))\). (2017 Methods Exam 2 Section B Question 1bi)

lineof(-1, f(-1), 1, f(1), x)

Contributed by Nhan