quadratic equation


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quadratic equation

n.
An equation that employs the variable x having the general form ax2 + bx + c = 0, where a, b, and c are constants and a does not equal zero; that is, the variable is squared but raised to no higher power.

quadrat′ic equa′tion


n.
an equation containing a single variable of degree 2. Its general form is ax2 + bx + c= 0, where x is the variable and a, b, and c are constants (a≠ 0).
[1680–90]
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Noun1.quadratic equation - an equation in which the highest power of an unknown quantity is a square
equation - a mathematical statement that two expressions are equal
References in classic literature ?
Furthermore, it is admitted that never, never, in a million lifetimes, could Michael have demonstrated a proposition in Euclid or solved a quadratic equation.
For five weeks I crammed, until simultaneous quadratic equations and chemical formulas fairly oozed from my ears.
Then he got out note-book and algebra and lost himself in quadratic equations, while the hours slipped by, and the stars dimmed, and the gray of dawn flooded against his window.
Moslehian, On the orthogonal stability of the Pexiderized quadratic equation, J.
The response of fruit yield fitted into quadratic equation with [R.
They had a general procedure equivalent to solving quadratic equations, although they recognized only one root and that had to be positive.
The derived characteristic equation for matrix W (Appendix) is a quadratic equation whose roots are the values of [lambda], [lambda]1, and [lambda]2.
By substituting relations (20) and (23) into the equation (1) we obtain following quadratic equation with one variable x:
A quadratic equation was compared with an exponential function based on correlation coefficient and subjective fit to the observed data.
Substituting Y(r) given by Equation (64) into Equation (77) leads to the quadratic equation with respect to the unknown constant A represented in Equation (64).