Talk:quadratic equation

RFD discussion: July–November 2024

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quadratic equation

(edit: also for cubic equation, linear equation, etc. that exist)

• Delete: SOP. —Svārtava · 14:16, 1 July 2024 (UTC)
• Noting that we also have cubic equation, but none higher as far as I can see, albeit I forget the terminology now after "quintic". Also we have linear equation. Mihia (talk) 22:11, 1 July 2024 (UTC)

  I already considered them similar enough to be "speedily deleted per precedent" if this RFD is successful hence I didn't take the pain of finding all of such terms and listing them, but now I have added them to this section only (seems acceptable, as no other votes have been cast). —Svārtava · 02:58, 2 July 2024 (UTC)

• Keep Purplebackpack89 11:07, 3 July 2024 (UTC)
• Comment. A user might add this definition for the adjective bad:
          (banking) Of a bank, created to specialize in the ownership of defaulted loans and their collection.
  Another user could then nominate bad bank for deletion as being SOP. But, perhaps, we should not add definitions of adjectives with a meaning for such a specific application; rather, we could list the combination as a derived term.  --Lambiam 20:17, 3 July 2024 (UTC)

  Quadratic in mathematics is a general term for "2 degree" and used in various such SOP phrases like quadratic expression, quadratic function, quadratic polynomial, quadratic equation, etc. —Svārtava · 03:21, 4 July 2024 (UTC)

• Probably don’t delete- can be kept as translation hub. Inqilābī 14:33, 5 July 2024 (UTC)

Weak keep per Inqilabi: see French équation du second degré. PUC – 09:55, 6 July 2024 (UTC)

• Keep all. Very common set terms in algebra. linear equation and quadratic equation is covered by most major dictionaries (OED, AHD, M-W, Collins etc.). M-W also includes cubic equation. I have improved the quadratic entry a bit, and added quotes showing it can be used in non-technical contexts as well. Einstein2 (talk) 10:41, 6 July 2024 (UTC)

• Kept - common + specific maths term P. Sovjunk (talk) 01:01, 4 November 2024 (UTC)