List questions from algebra-precalculus

Published on 14 Apr 2026 - 2:16

74

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Rewriting $\lfloor x \rfloor+\lfloor-x\rfloor$

Published on 17 Apr 2026 - 10:25

52

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Solving vector equation employing products.

Published on 17 Apr 2026 - 4:02

1.9k

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Solving $x^3-x^2+2=0$

Published on 17 Apr 2026 - 14:01

172

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A $5\times 5$ grid of single-digit numbers in $\mathbb N$, with one cell empty. What number should be in the cell?

Published on 15 Apr 2026 - 12:00

147

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Proof by induction base case incorrect?

Published on 11 Apr 2026 - 6:01

41

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Set logic when there is no elements given

Published on 13 Apr 2026 - 21:00

67

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Encounter a cubic equation: $4x^3-5x^2+x-14=0$

Published on 16 Apr 2026 - 0:09

53

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Figuring out an equation for a tangent line

Published on 17 Apr 2026 - 2:52

215

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Find the nth term of $2, -6, -4$

Published on 15 Apr 2026 - 4:29

1.3k

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The number of pairs of real numbers $(x,y)$ that satisfy $2x^2+y^2+2xy-2y+2=0$

Published on 17 Apr 2026 - 6:36

51

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Fraction simplification numerator unclear

Published on 11 Apr 2026 - 22:45

29

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Series estimate

Published on 14 Apr 2026 - 1:47

336

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Japanese Multiplication: 日本の掛け算

Published on 14 Apr 2026 - 15:36

118

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Closed formula from product of sine

Published on 09 Apr 2026 - 14:10

List Question

Algebra Mixture Problem Inquiry

Rewriting $\lfloor x \rfloor+\lfloor-x\rfloor$

Solving vector equation employing products.

Solving $x^3-x^2+2=0$

A $5\times 5$ grid of single-digit numbers in $\mathbb N$, with one cell empty. What number should be in the cell?

Proof by induction base case incorrect?

Set logic when there is no elements given

Encounter a cubic equation: $4x^3-5x^2+x-14=0$

Figuring out an equation for a tangent line

Find the nth term of $2, -6, -4$

The number of pairs of real numbers $(x,y)$ that satisfy $2x^2+y^2+2xy-2y+2=0$

Fraction simplification numerator unclear

Series estimate

Japanese Multiplication: 日本の掛け算

Closed formula from product of sine

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