What each variable is equal to. Each line is usually in the format of "Let ___ equal the number of ____" or something like that.
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what does key mean in math
"key concept" is not a mathematical term . A key concept is an important idea. Two key concepts in math are derivatives and integrals of functions. ( "function" is also a key concept.)
a function key a scientific calculator called TAN
look for key words in the word problem. the word is means = the word less than means < and the word greater than means > taken away, subtracted, deducted, etc. all mean substracted added, given, etc. all mean addidtion the important thing is to look for the key words in the problem, then, make sense of the numbers.
THERE IS NO key term