# Building Skills

9. On the graph: $(-3,-4),\text{}(1,\text{}0),\text{}(4,\text{}3)$; not on the graph: (2, 3)

11. On the graph: (3, 2), (0, 1), (8, 3); not on the graph: $(8,-3)$

13. On the graph: $(1,\text{}0),\text{}(2,\text{}\sqrt{3}),\text{}(2,-\sqrt{3})$; not on the graph: $(0,-1)$

37.

`x`-intercepts: $-1,\text{}1;$`y`-intercepts: none; symmetries: ...

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