Mathematics
Grade9
Easy

Question

Find the midpoint for (4, 3) and (6, 9).

  1. (3, 6)    
  2. (5, 6)    
  3. (0, 6)    
  4. (6, 5)    

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: (5, 6)


    The midpoint of a line segment is halfway between the two x values and halfway between the two y values. Mathematically, that would be the average of each coordinate.

    The midpoint for (4, 3) and (6, 9) is 
    open parentheses fraction numerator open parentheses 4 plus 6 close parentheses over denominator 2   end fraction comma   fraction numerator open parentheses 3 plus 9 close parentheses over denominator 2 end fraction close parentheses
    open parentheses fraction numerator 10 over denominator 2 end fraction comma   fraction numerator 12 over denominator 2 end fraction close parentheses
    open parentheses 5 comma   6 close parentheses
    Therefore, the midpoint for (4, 3) and (6, 9) is (5, 6).

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