Answered

The length of the line segment joining A(-3,3) and B(5,y) is 10. Find y if B is on the 4th quadrant.

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VilesXviz
Given:
d = 10

Formula:

[tex]d= \sqrt{( x_{2}-x_{1})^2+(y_{2}-y_{1})^2 } [/tex]

Solution:

[tex] 10^2=(5-(-3))^2+(y-3)^2[/tex]

[tex]10= \sqrt{(8)^2+(y-3)^2} [/tex]

[tex]y=-9[/tex]