Question

If $a$ and $b$ are the zeroes of $x^2 + ax + b = 0$, then how many pairs of $(a,b)$ exist?

score 1.3k · Answer 1 · 2026-04-16 02:24:21

1.3k

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If $a$ and $b$ are the zeroes of $x^2 + ax + b = 0$, then how many pairs of $(a,b)$ exist?

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140

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88

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60

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7k

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9.8k

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score 73 · Answer 7 · 2026-04-17 04:16:50

73

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382

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score 757 · Answer 12 · 2026-04-14 22:44:50

757

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39

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200

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Published on 16 Apr 2026 - 15:42

List Question

If $a$ and $b$ are the zeroes of $x^2 + ax + b = 0$, then how many pairs of $(a,b)$ exist?

Pythagoras numbers and fermats last theorem

Enlarge a quadratic surface equally in all directions

How to factorize the quadratic $a(b-c)x^2 + b(c-a)x + c(b-a) = 0$?

How do you find the smallest possible value of aan equation with two unknowns?

Sum of real roots of the equation $x^2 + 5|x| + 6 = 0$?

Algebra formulas: answer is positive, but in calculator it's negative.

Second longest prime diagonal in the Ulam spiral?

Prove that if $ac + bc + c^2 < 0$ then equation (usual notation) has two roots

Modular quadratic equation (solve for 3-digit natural numbers)

Quadratic Equations and graphs

Finding a+b+c+d where a,b and c,d are the roots of two different quadratic equations

absolute value in a quadratic

How do I determine the maximum value for a quadratic equation on an interval?

How to prove that if $-1<x<0$ then $x^2 + x < 0$?

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