Question

How to solve without solving by inspection? $\frac{x+5}{x+k}=\frac{-kx+5}{x-1}$

score 166 · Answer 1 · 2026-04-16 12:53:50

166

Views

How to solve without solving by inspection? $\frac{x+5}{x+k}=\frac{-kx+5}{x-1}$

Published on 16 Apr 2026 - 12:53

score 410 · Answer 2 · 2026-04-08 18:46:48

410

Views

Limit of the root of quadratic equation

Published on 08 Apr 2026 - 18:46

score 74 · Answer 3 · 2026-03-26 14:22:40

74

Views

How to prove this inequality $x\sin^2{A}+y\sin^2{B}\ge xy\sin^2{C}$

Published on 26 Mar 2026 - 14:22

score 5.8k · Answer 4 · 2026-04-14 21:55:17

5.8k

Views

The roots of the equation $x^2 - 6x + 7 = 0$ are $α$ and $β$. Find the equation with roots $α + 1/β$ and $β + 1/α$.

Published on 14 Apr 2026 - 21:55

score 220 · Answer 5 · 2026-04-16 15:57:26

220

Views

If the volume of a container is $196~\text{cm}^3$, find the dimensions of the original template.

Published on 16 Apr 2026 - 15:57

score 370 · Answer 6 · 2026-04-17 11:11:40

370

Views

For what values does $kx^2 - 6x - 4 = 0$ cut the x-axis?

Published on 17 Apr 2026 - 11:11

score 2.7k · Answer 7 · 2026-04-16 09:03:35

2.7k

Views

Show algebraically that the graph of $y=x^2 + kx - 2$ will cut the $x$-axis twice for all values of $k$

Published on 16 Apr 2026 - 9:03

score 21 · Answer 8 · 2026-04-11 08:57:16

21

Views

Help with some calculations

Published on 11 Apr 2026 - 8:57

score 138 · Answer 9 · 2026-04-15 04:20:51

138

Views

Find all values of parameter a, when sum of solutions of following equation is 100

Published on 15 Apr 2026 - 4:20

score 6.8k · Answer 10 · 2026-04-16 15:47:42

6.8k

Views

Solving $2x^4+x^3-11x^2+x+2 = 0$

Published on 16 Apr 2026 - 15:47

score 232 · Answer 11 · 2026-04-15 18:43:30

232

Views

Solve $2^x+4^x=2$

Published on 15 Apr 2026 - 18:43

score 7k · Answer 12 · 2026-04-15 19:37:09

7k

Views

On the equation $x^2+|x|-6=0$

Published on 15 Apr 2026 - 19:37

score 960 · Answer 13 · 2026-04-17 18:03:18

960

Views

How to get the correct angle of the ellipse after approximation

Published on 17 Apr 2026 - 18:03

score 2.4k · Answer 14 · 2026-04-14 17:00:48

2.4k

Views

Show the roots of the quadratic equation $z^2 +bz+ c = 0$ lie in or on the unit circle

Published on 14 Apr 2026 - 17:00

score 721 · Answer 15 · 2026-03-25 19:05:18

721

Views

Is it really necessary to learn how to write a quadratic in standard to vertex form?

Published on 25 Mar 2026 - 19:05

List Question

How to solve without solving by inspection? $\frac{x+5}{x+k}=\frac{-kx+5}{x-1}$

Limit of the root of quadratic equation

How to prove this inequality $x\sin^2{A}+y\sin^2{B}\ge xy\sin^2{C}$

The roots of the equation $x^2 - 6x + 7 = 0$ are $α$ and $β$. Find the equation with roots $α + 1/β$ and $β + 1/α$.

If the volume of a container is $196~\text{cm}^3$, find the dimensions of the original template.

For what values does $kx^2 - 6x - 4 = 0$ cut the x-axis?

Show algebraically that the graph of $y=x^2 + kx - 2$ will cut the $x$-axis twice for all values of $k$

Help with some calculations

Find all values of parameter a, when sum of solutions of following equation is 100

Solving $2x^4+x^3-11x^2+x+2 = 0$

Solve $2^x+4^x=2$

On the equation $x^2+|x|-6=0$

How to get the correct angle of the ellipse after approximation

Show the roots of the quadratic equation $z^2 +bz+ c = 0$ lie in or on the unit circle

Is it really necessary to learn how to write a quadratic in standard to vertex form?

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