quadratic formula


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Related to quadratic formula: Completing the square, Distance formula

quadratic formula

[kwä′drad·ik ′fȯr·myə·lə]
(mathematics)
A formula giving the roots of a quadratic equation in terms of the coefficients; for the equation ax 2+ bx + c = 0, the roots are x = (-b ± √(b 2- 4 ac)/2 a.
References in periodicals archive ?
Investigating the Quadratic Formula with VisuMatica
True, knowing how to solve quadratic formulas (and hundreds of similar examples) may help her score better on the next big high-stakes test, but it's unlikely to help her make better decisions, advance in a good career, raise her children, or enrich her adult life in any other meaningful way.
In these cases, at least a quadratic formula between the "clearness index" and the relative sunshine is required; a still better regression when scattering prevails ought to be a third-order polynomial.
Through algebraic analysis, this can be related to the quadratic formula, as well as the existence of real roots.
A value of examining this case is that the derivation requires the use of only elementary statistics (mean, variance, and covariance) and the quadratic formula.
It could have been anything from the quadratic formula to British comedy to French verbs to why anyone would ever eat meat loaf.
The quadratic formula solution and the numerical solution are plotted together in Fig.
To find all other bundles (z, q) which provide the same utility U', one merely sets up the quadratic formula for z, as in [13].
An elective quadratic formula is available to reflect such asset reductions during the calculation of excess related-party indebtedness.
2] - 4x + 5 is solved using the quadratic formula, the discriminant is -4.
Consider the problems of multiplying linear polynomials, factoring quadratic polynomials, solving quadratic equations, making sense of the quadratic formula.
So hats off to NMAP, and here's hoping their report becomes the quadratic formula for solving math debates everywhere.