Sets of Numbers
Which set(s) of numbers does 6 belong to?
rational, integer, whole and natural
2x = 10
x = 5
2(x - 5) = 8
x = 9
2x = 5x - 9
x = 3
2(x - 9) + 4x = 12
x = 5
Which set(s) of numbers does 5.2 belong?
rational
x/3 = 8
x = 24
-3(4x - 5) = 24
x = -.75
5x - 8 = 9x + 10
x = -4.5
-4(x - 5) = 2x - 8 - 6x
no solution
Which set(s) does π belong to?
irrational numbers
-x/4 = 3
x = -12
12 = 1/3(x - 12)
x = 48
-1/2x - 2/3 = 2/3x + 4/5
x = -1 9/35
-3/4(x - 5) = 12x - 10x - 1/2
x = 1 6/11
Which set(s) of numbers does 2/3 belong?
rational
10 = 1/4x
x = 40
-1/2x - 8 = 12
x = -40
18(4x - 8) = 9(8x - 12)
no solution
2(3x - 8) = 2x - 5x + 24
x = 40/9
Which set(s) of numbers does square root of 4 belong?
rational, integer, whole, natural
15 = -2/5x
x = -37.5
8x - 12 = 15
x = 27/8
14(12x - 8) = 2(168x - 56)
all real numbers
-2(3x - 5) = 15x - 2(x - 3)
x = 4/19