Question

Does $2^2=4$ imply $2=\pm \sqrt{4}$?

score 138 · Answer 1 · 2015-04-24 19:08:58

138

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Does $2^2=4$ imply $2=\pm \sqrt{4}$?

Published on 24 Apr 2015 - 19:08

score 4.3k · Answer 2 · 2026-04-06 17:52:47

4.3k

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When can I divide both sides of an equation if one side is zero

Published on 06 Apr 2026 - 17:52

score 2.2k · Answer 3 · 2026-03-29 03:35:46

2.2k

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Quadratic using the roots of unity, where $\omega^7 = 1, \omega \neq 1$

Published on 29 Mar 2026 - 3:35

score 62 · Answer 4 · 2015-04-27 11:07:05

62

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Trigonometric Equation, quadratic using two functions

Published on 27 Apr 2015 - 11:07

score 129 · Answer 5 · 2015-04-27 23:34:28

129

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Equality of a quadratic function

Published on 27 Apr 2015 - 23:34

score 1.2k · Answer 6 · 2015-04-28 21:12:07

1.2k

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Approaching this proof problem? If $0 \le x \le 3$ then $12 - 7x + x^2 \ge 0.$

Published on 28 Apr 2015 - 21:12

score 530 · Answer 7 · 2026-03-31 18:01:54

530

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How do i expand/simplify this quadratic (or quartic?) equation

Published on 31 Mar 2026 - 18:01

score 4.6k · Answer 8 · 2026-03-26 21:26:20

4.6k

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Convert quadratic bezier curve to parabola

Published on 26 Mar 2026 - 21:26

score 7.5k · Answer 9 · 2015-04-29 17:18:22

7.5k

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Prove $x^2 - x + 1 $ is always positive.

Published on 29 Apr 2015 - 17:18

score 5.1k · Answer 10 · 2015-05-01 00:28:57

5.1k

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Find the equation whose roots are each six more than the roots of $x^2 + 8x - 1 = 0$

Published on 01 May 2015 - 0:28

score 1.6k · Answer 11 · 2015-05-01 02:25:00

1.6k

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For what real values of $a$ does the range of $f(x)$ contains the interval $[0,1]$?

Published on 01 May 2015 - 2:25

score 18.9k · Answer 12 · 2015-05-01 09:36:25

18.9k

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Difference and Quotient of roots of a quadratic equation

Published on 01 May 2015 - 9:36

score 2.7k · Answer 13 · 2026-04-08 16:29:03

2.7k

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Factor polynomial with irrational roots using quadratic equation

Published on 08 Apr 2026 - 16:29

score 456 · Answer 14 · 2026-04-01 20:48:36

456

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Extraction of quadratic terms with state-space representation

Published on 01 Apr 2026 - 20:48

score 4k · Answer 15 · 2015-05-03 04:16:50

4k

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What is the connection between the discriminant of a quadratic and the distance formula?

Published on 03 May 2015 - 4:16

List Question

Does $2^2=4$ imply $2=\pm \sqrt{4}$?

When can I divide both sides of an equation if one side is zero

Quadratic using the roots of unity, where $\omega^7 = 1, \omega \neq 1$

Trigonometric Equation, quadratic using two functions

Equality of a quadratic function

Approaching this proof problem? If $0 \le x \le 3$ then $12 - 7x + x^2 \ge 0.$

How do i expand/simplify this quadratic (or quartic?) equation

Convert quadratic bezier curve to parabola

Prove $x^2 - x + 1 $ is always positive.

Find the equation whose roots are each six more than the roots of $x^2 + 8x - 1 = 0$

For what real values of $a$ does the range of $f(x)$ contains the interval $[0,1]$?

Difference and Quotient of roots of a quadratic equation

Factor polynomial with irrational roots using quadratic equation

Extraction of quadratic terms with state-space representation

What is the connection between the discriminant of a quadratic and the distance formula?

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