New posts in algebra-precalculus

How to solve $x^x=100$?

Writing $k(x_1+\frac{x_2+1}{2k})^2+\frac{4k^2-1}{4k}x_2^2+\frac{2k-1}{2k}x_2-\frac{4k^2+1}{4k}$ in the form $A(x_1+Bx_2+C)^2+E(x_2+F)^2+G$

Spivak, Ch. 4 Graphs, Problem 15: Draw the graph of $f(x)=ax^2+bx+c$?

How to find all real solution to satisfy this equation without casework or bruteforce?

How to convert from a power of base two to a power of base 10?

What's the equation for a rectircle? (Perfect rounded-corner rectangle without stretching on only one dim)

Five points all lie on the conic

Polynomial uniqueness proof

sign charts and expressed in interval form

A Series with an increment in its difference .

Power summation of $n^3$ or higher [duplicate]

Find the maximum value of $ \sqrt{x^4-3x^2-6x+13} - \sqrt{x^4-x^2+1} $ [duplicate]

How to deal with misapplying mathematical rules? [closed]

When are the Laws of Exponents correct?

Showing an inequality is valid [duplicate]

Why is the square root of a sum not equal to the square root of each its addends?

using trial and error in math problems

If $0<x<y$, then prove that $\sqrt{x} <\sqrt{y}$ and $x <\sqrt{xy} <y$

$|x-1| +|x+1| <1$

Is my proof correct for: $\sqrt[7]{7!} < \sqrt[8]{8!}$