List questions from algebra-precalculus

Published on 16 Apr 2026 - 5:41

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Novice question: what values of $x$ satisfy $\frac{x^2}{x} \le 0 $

Published on 15 Apr 2026 - 0:24

96

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Is there a fast and easy way to solve $x^7-10=0$?

Published on 14 Apr 2026 - 22:53

196

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Solving for $x$ for $\frac{20,000}{21,000 + x} - 1 = \frac{-x}{20,000 + \frac{1}{2} (-x)} $

Published on 16 Apr 2026 - 10:37

93

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Natural logarithm over natural logarithm

Published on 08 Apr 2026 - 23:41

2k

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Is Algebra 2/ Precalculus the same as Linear Algebra?

Published on 09 Apr 2026 - 16:55

97

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Prove $4^n-1$ is divisible by $3$, for all $n\in\Bbb N$?

Published on 14 Apr 2026 - 18:56

123

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Given $x$, find $n$ such that $1 + 2 + 3 + ... n = x$

Published on 17 Apr 2026 - 15:20

42

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Infer inequality from another inequality

Published on 11 Apr 2026 - 0:15

62

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Percentage of white balls is an integer

Published on 11 Apr 2026 - 14:16

79

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Proving properties of a function upon repeated iteration

Published on 11 Apr 2026 - 7:13

90

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Solve $\sqrt {x^2-3}=x-3$ in $\mathbb R$

Published on 17 Apr 2026 - 12:31

438

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Complex numbers $\left(\frac{1+i}{1-i}\right)^k = 1$ what is $k$?

Published on 16 Apr 2026 - 11:11

983

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How does $n^4 + 6n^3 + 11n^2 + 6n + 1 = (n^2 + 3n + 1)^2?$

Published on 14 Apr 2026 - 8:26

66

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Function generating $n$ copies of $n$

Published on 17 Apr 2026 - 17:52

List Question

Find value of the sigma sum

Novice question: what values of $x$ satisfy $\frac{x^2}{x} \le 0 $

Is there a fast and easy way to solve $x^7-10=0$?

Solving for $x$ for $\frac{20,000}{21,000 + x} - 1 = \frac{-x}{20,000 + \frac{1}{2} (-x)} $

Natural logarithm over natural logarithm

Is Algebra 2/ Precalculus the same as Linear Algebra?

Prove $4^n-1$ is divisible by $3$, for all $n\in\Bbb N$?

Given $x$, find $n$ such that $1 + 2 + 3 + ... n = x$

Infer inequality from another inequality

Percentage of white balls is an integer

Proving properties of a function upon repeated iteration

Solve $\sqrt {x^2-3}=x-3$ in $\mathbb R$

Complex numbers $\left(\frac{1+i}{1-i}\right)^k = 1$ what is $k$?

How does $n^4 + 6n^3 + 11n^2 + 6n + 1 = (n^2 + 3n + 1)^2?$

Function generating $n$ copies of $n$

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