Variables: Multiplication and Division

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Most of us have learned these facts many times. Use this quick drill to refresh your mind—knock off the dust.

  • x times y =
    x times y = xy
  • x(y) =
    x(y) = xy
  • x * y =
    x * y = xy
  • x · y =
    x · y = xy
  • 2x(y) =
    2x(y) = 2xy
  • 2x(3y) =
    2x(3y) = 6xy
  • 4x(3y) =
    4x(3y) = 12xy
  • 3x(6y) =
    3x(6y) = 18xy
  • x times x =
    x times x = x2
  • x(x) =
    x(x) = x2
  • x(xy) =
    x(xy) = x2y
  • xy(y) =
    xy(y) = xy2
  • x ÷ y =
    x ÷ y = x/y
  • y ÷ x =
    y ÷ x = y/x
  • x ÷ 2 =
    x ÷ 2 = x/2
  • 2 ÷ x =
    2 ÷ x = 2/x
  • x ÷ 3 =
    x ÷ 3 = x/3
  • 3 ÷ x =
    3 ÷ x = 3/x
  • 3x ÷ y =
    3x ÷ y = 3x/y
  • 3x ÷ 2y =
    3x ÷ 2y = 3x/2y
  • 6x ÷ 4y =
    6x ÷ 4y = 3x/2y
  • 4x ÷ 4y =
    4x ÷ 4y = x/y
  • 6x ÷ 3y =
    6x ÷ 3y = 2x/y
  • 4x ÷ 2y =
    4x ÷ 2y = 2x/y