- a quadratic polynomial or equation.
Origin of quadratic
Examples from the Web for quadratic
“When I was in third grade, I was in quadratic equations when my class was, like, reading clocks,” Andraka says.Sundance Offers Brief Documentary Films as Part of Focus Forward Project
January 24, 2013
As a teen, Randy had painted a submarine, an elevator door and the quadratic equation on the walls of his childhood bedroom.Randy Pausch Keeps Talking
October 8, 2008
It is right, but too lengthy to be worth as much as a Quadratic.A Tangled Tale
It had never been determined if that order was quadratic, cubic or higher.Cube Root of Conquest
Roger Phillips Graham
What does matter is thisI must ask you to tell me exactly why you wished me to work out that quadratic problem for you.Marjorie Dean, High School Junior
She now began to read Euclids Elements, and proceeded in algebra as far as quadratic equations.The Book of Curiosities
Since the fraction is infinite it cannot be commensurable and therefore its value is a quadratic surd number.
- Also called: quadratic equation an equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power
- of or relating to the second power
Word Origin and History for quadratic
1650s, "square," with -ic + obsolete quadrate "a square; a group of four things" (late 14c.), from Latin quadratum, noun use of neuter adjective quadratus "square, squared," past participle of quadrare "to square, set in order, complete" (see quadrant). Quadratic equations (1660s) so called because they involve the square of x.
- Relating to a mathematical expression containing a term of the second degree, such as x2 + 2.♦ A quadratic equation is an equation having the general form ax2 + bx + c = 0, where a, b, and c are constants.♦ The quadratic formula is x = -b ± √(b2 - 4ac)/2a. It is used in algebra to calculate the roots of quadratic equations.