Mathematics
Grade9
Easy

Question

A line segment has endpoints at (2, 3) and (− 7, 3). Find the midpoint of this segment?

  1. (− 5, 3)    
  2. (− 4.5, 0)    
  3. (− 2.5, 3)    
  4. (− 4.5, 3)    

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: (− 2.5, 3)


    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.
    A line segment has endpoints at (2, 3) and (− 7, 3).
    open parentheses fraction numerator negative 7 plus 2 over denominator 2 end fraction comma fraction numerator 3 plus 3 over denominator 2 end fraction close parentheses
    open parentheses fraction numerator negative 5 over denominator 2 end fraction comma fraction numerator 6 over denominator 2 end fraction close parentheses
    (- 2.5, 3)
    Therefore, the midpoint of this segment is (- 2.5, 3).

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