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