Mathematics
Grade9
Easy

Question

Find the midpoint of these two points: (− 2, 13) and (4, − 9)

  1. (1, 2)    
  2. (4, 2)    
  3. (2, 1)    
  4. (− 1, 2)    

hintHint:

The formula to find midpoint of line segment bounded by two points left parenthesis x subscript 1 comma y subscript 1 right parenthesis and left parenthesis x subscript 2 comma y subscript 2 right parenthesis is  open parentheses fraction numerator x subscript 1 end subscript plus x subscript 2 end subscript over denominator 2 end fraction comma fraction numerator y subscript 1 end subscript plus y subscript 2 end subscript over denominator 2 end fraction close parentheses

The correct answer is: (1, 2)


    The formula to find midpoint of line segment bounded by two points left parenthesis x subscript 1 comma y subscript 1 right parenthesis and left parenthesis x subscript 2 comma y subscript 2 right parenthesis is  open parentheses fraction numerator x subscript 1 end subscript plus x subscript 2 end subscript over denominator 2 end fraction comma fraction numerator y subscript 1 end subscript plus y subscript 2 end subscript over denominator 2 end fraction close parentheses
    Plug in the (x, y) values from the given points and solve.
    The midpoint of these two points: (− 2, 13) and (4, − 9)
    open parentheses fraction numerator negative 2 plus 4 over denominator 2 end fraction comma fraction numerator 13 plus left parenthesis negative 9 right parenthesis over denominator 2 end fraction close parentheses equals open parentheses fraction numerator 2 over denominator 2 end fraction comma fraction numerator 4 over denominator 2 end fraction close parentheses = (1, 2)
    Therefore, the midpoint of these two points: (− 2, 13) and (4, − 9) is (1, 2).

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