check if an expression matches the quadratic formula
The IsQuadraticFormula command returns true when the input expr matches the quadratic formula.
The quadratic formula can be written in many subtly different ways, including use of &+- as opposed to ±, and use of different variable names. This command helps to identify input steps that match a declared unevaluated quadratic formula with symbols for a, b, and c.
This command is used by Grading:-SolveFeedback to identify a step in a solution input that matches the quadratic formula.
IsQuadraticFormula⁡−'b' ± 'b'2−4⁢'a'⁢'c'2⁢'a'
IsQuadraticFormula⁡−'B' ± 'B'2−4⁢'A'⁢'c'2⁢'A'
The Grading:-IsQuadraticFormula command was introduced in Maple 2021.
For more information on Maple 2021 changes, see Updates in Maple 2021.
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