moeni

in #moe6 years ago

F = { 3, 6,9, 12, 15 , …}
(a) F = {x/ x is appositive integer that is divisible by 3}
(b) F = {x/x is a multiple of 3}
(c) F = {x/x is a natural number that is divisible by 3}

  1. A = {x/x2 + x – 6 } and B = { -3,2}. Is A = B?
  2. A = {x/x is prime number which is less than 10} and B = {x/x2 – 8x + 15 = 0}
    (a) Is A = B (b) Is B⊂ A?
  3. P = {x/x is an integer and -1 < x<3/5 }and Q = {x/x3 -3x2 + 2x = 0} . Is P = Q?
    6.L= {(x,y)/ x and y are positive integers and x + y = 7}.Write L by listing its
    of each side.
  4. C is the mid-point of AB, A if the point (-3,-2), and B is the point (2,8).
    What is the slope of BC?
  5. Given the points D(-4,6), E(1,1), F(4,6), find the slopes of DE and EF. Are D,E and F
    collinear ? Why?
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