Question

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

Answer 1

`\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