• 2020 December(D03) Math Question 28

    Equation of a Line

    - Distance & Midpoint

    Distance formula (distance between 2 points, vertical distance, horizontal distance)
    Choice J

    Step 1: notice that the points have the same y coordinate -3, and therefore are on the same horizontal line

    Step 2: find the distance by finding the difference between the x coordinates

    Distance=5{1}{3}−(−1{5}{9})Distance=5\frac\{1\}\{3\}-(-1\frac\{5\}\{9\})
    =5{3}{9}+1{5}{9}=5\frac\{3\}\{9\}+1\frac\{5\}\{9\}
    =(5+1)+{3+5}{9}=(5+1)+\frac\{3+5\}\{9\}
    =6{8}{9}=6\frac\{8\}\{9\}

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