## anonymous one year ago The midpoint of UV is (5,-11). The coordinate of one endpoint are U(3,5). Find the coordinates of endpoint V .

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1. anonymous

I'll fan and medal !!!

2. disqin

Use relation $\frac{x_1+x_2}{2}=x$ and $\frac{y_1+y_2}{2}=y$ Use $$(x,y)=(5, -11)$$ and $$(x_1, y_1)=(3, 5)$$ and solve for $$x_2$$ and $$y_2$$ like a boss B-)

3. anonymous

thank you so much, i'll let you know how it goes !