Practice

Find the vertex and intercepts of the following quadratics. Use this information to graph the quadratic.

1. y=x^{2}-2 x-8

3. y=2 x^{2}-12 x+10

5. y=-2 x^{2}+12 x-18

7. y=-3 x^{2}+24 x-45

9. y=-x^{2}+4 x+5

11. y=-x^{2}+6 x-5

13. y=-2 x^{2}+16 x-24

15. y=3 x^{2}+12 x+9

17. y=5 x^{2}-40 x+75

19. y=-5 x^{2}-60 x-175

Source: Tyler Wallace, http://www.wallace.ccfaculty.org/book/Beginning_and_Intermediate_Algebra.pdf
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