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Math Words Beginning with D

Try to guess these words pertaining to math that start with the letter D.
Based on the series "Maths words beginning with..." by gbgenius75
Quiz by akjlddkjslfsd
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Last updated: April 14, 2022
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First submittedApril 14, 2022
Times taken28
Average score50.0%
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Definition
Word
1/360 of a circle
Degree
Difference of the products of the two diagonals in a 2 × 2 matrix
Determinant
Bottom number of a fraction
Denominator
Meaning of D in GCD
Divisor
Another term for scalar product
Dot product
Definition
Word
10-sided polygon
Decagon
b2 − 4ac in the quadratic formula
Discriminant
Data that can only take integer values (e.g. COVID cases)
Discrete data
Method used to calculate the slope of a curve at a given point
Differentiation
Term for the result of the above
Derivative
+1
Level 62
Feb 6, 2024
Slight correction - the clue for "determinant" seems to imply that the determinant can be calculated by subtracting the diagonal products in either order. The order actually does matter, so I would shy away from just calling it the "difference" between those two values. There are probably some other, more interesting characterizations you could use for that clue.