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28. The points (3, 1) and (5, y) are sqrt(13) units apart. What does y equal to ? A. -3 B. 4 C. sqrt 17D.10
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28. The points (3, 1) and (5, y) are sqrt(13) units apart. What does y equal to ? A. -3 B. 4 C. sqrt 17D.10

28. The points (3, 1) and (5, y) are sqrt(13) units apart. What does y equal to ? A-example-1
User Diaa Saada
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\begin{gathered} \sqrt[]{(y-1)^2+(5-3)^2}=\sqrt[]{13} \\ (y-1)^2+4=13 \\ (y-1)^2=9 \\ y_+-1=3 \\ y_+=4 \\ y_--1=-3 \\ y_-=-2 \end{gathered}

The only compatible answer is B

User Sander Verhagen
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