Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- intransitive verb To multiply the numerator of one of a pair of fractions by the denominator of the other.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb To set the
product of theextremes of aproportion equal to the product of itsmeans .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word cross-multiply.
Examples
-
Step 4 Moving leftward, we now cross-multiply the first two columns, (3 × 5) + (7 × 8) = 71, plus the 9 carried above.
HERE’S LOOKING AT EUCLID Alex Bellos 2010
-
Step 4 Moving leftward, we now cross-multiply the first two columns, (3 × 5) + (7 × 8) = 71, plus the 9 carried above.
HERE’S LOOKING AT EUCLID Alex Bellos 2010
-
Step 4 Moving leftward, we now cross-multiply the first two columns, (3 × 5) + (7 × 8) = 71, plus the 9 carried above.
HERE’S LOOKING AT EUCLID Alex Bellos 2010
-
The best thing that ever came out of reviewing for the GRE is learning how to cross-multiply.
Bulletproofvest Benito Vergara 2009
-
The Yankees are six games out with six games to play, making their magic number, hmm, let's see, carry the one, cross-multiply, divide by x, aaaanndd … I feel like a crazy person for even bothering to note this but I can't help it.
unknown title Tom Gaffney 2008
-
The "cross-multiply" method say to multiply the top and bottom numbers crosswise.
Citizendium, the Citizens' Compendium - Recent changes [en] 2008
-
The "cross-multiply" method say to multiply the top and bottom numbers crosswise.
Citizendium, the Citizens' Compendium - Recent changes [en] 2008
-
All that these problems are asking you to do is cross-multiply all of the terms, and then combine them to simplify. x2 + 4 + 4x (x+2) squared = (x+2) times (x+2) (xtimesx) + (xtimes2) + (2timesx) + (2times2) xsquared+2x+2x+4 xsquared+4x+4
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.