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# Quiz

prime numbers has only 2 factors
composite numbers has more than 2 factors
exponents/powers 2 forth/2 x 2 x 2 x 2
integers-ordering -6,-1,0,9,74,2 -6,-1,0,2,9,74
adding integers neg+neg=a bigger neg neg+pos=subtract, take the sign of the bigger # pos+pos=a bigger pos
subtracting integers neg-neg=change to addition=a bigger neg neg-pos=change to addition=take the sign of the bigger # pos-pos=change to addition=a bigger pos
multiplying integers neg x neg=pos pos x pos=pos pos x neg=neg neg x pos=neg
dividing integers neg/neg=pos pos/pos=pos pos/neg=neg neg/pos=neg
order of operations [pemdos] 1. 55 / 5 x 2 2. 11 x 2 3. 22
algabra language of symbols including variables
algebraic exprestion a combination of variables numbers and at least one operation
evaluate find the value of the algebraic expression
variable a symbol, usually a letter, used to represent a number
a + 15 = 23;6,7,8 a=8
35 = 45 -n;10,11,12 n=10
6w = 30;5,6,7 w=5
36 ./. s = 4;9,10,11 s=9
j+7=13 j=6
22 ./. y =2 y=11
54 =6b b=9
Created by: haileigh487