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QMC study cards

Terms and other info needed to study for QMC OA

QuestionAnswer
'Always,Sometimes or Never" True: x+1=x NEVER TRUE
A, S or N xy=yx ALWAYS TRUE
A, S or N x*0=x SOMETIMES TRUE
A, S or N -(x-y)= -x-y SOMETIMES TRUE
A, S or N The difference between any 2 #s is an even # ALWAYS TRUE
A, S or N The product of 2 even numbers is an odd number NEVER TRUE
A, S or N The difference between 2 odd numbers is an odd number.... NEVER TRUE
A, S or N The product of 2 odd numbers is an odd number....... ALWAYS TRUE
A, S or N xy +xz= x(y+z) ALWAYS TRUE
A, S or N x*x=x(squared) ALWAYS TRUE
A, S or N x+x= x(squared) SOMETIMES TRUE
A, S or N x+y= x SOMETIMES TRUE
A, S or N If x>y, then 3x>3y is...... ALWAYS TRUE
A, S or N If x>y, then -x > -y NEVER TRUE
A, S or N x(squared)> x is..... SOMETIMES TRUE
A, S or N If 2x > 2y, then x<y is.... NEVER TRUE
Always negative, Sometimes negative or NEITHER (-x)cubed NEITHER
find x -3x=0 x=0
find x 5x+9 = 5(x+9) NO SOLUTION
find x x(squared) = 16 x= 4,-4
Created by: 1209477606