Mathematics
Grade9
Easy

Question

Is _________________ the correct midpoint formula given two endpoints (x1, y1) and (x2, y2) ?

  1. open parentheses fraction numerator y subscript 1 end subscript plus y subscript 2 end subscript over denominator 2 end fraction comma fraction numerator x subscript 1 end subscript plus x subscript 2 end subscript over denominator 2 end fraction close parentheses    
  2. open parentheses fraction numerator x subscript 1 end subscript plus y subscript 2 end subscript over denominator 2 end fraction comma fraction numerator x subscript 1 end subscript plus y subscript 2 end subscript over denominator 2 end fraction close parentheses    
  3. 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    
  4. open parentheses fraction numerator x subscript 1 end subscript minus x subscript 2 end subscript over denominator 2 end fraction comma fraction numerator y subscript 1 end subscript minus y subscript 2 end subscript over denominator 2 end fraction close parentheses    

hintHint:

The formula to find midpoint of line segment bounded by two end 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: 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 formula to find midpoint of line segment bounded by two end 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
    Therefore, The formula to find midpoint 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

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