Definition of quadratic formula
: a formula that gives the solutions of the general quadratic equation ax^{2} + bx + c = 0 and that is usually written in the form x = (b ± √(b^{2} − 4ac))/(2a)
Test Your Vocabulary
Challenging Words You Should Know

 Often used to describe “the march of time,” what does inexorable mean?
Test your visual vocabulary with our 10question challenge!
TAKE THE QUIZA daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
MerriamWebster unabridged
Share quadratic formula
Time Traveler for quadratic formula
The first known use of quadratic formula was in 1804
See more words from the same year