In Exercises 7–10, graph the function, and label its vertex and y-intercept. 7. F(x) = 3x^2 – 12x + 6
8. y = 5x2 + 20x - 9
9. y = –6x2 – 12x - 5
10. f(x) = -7x2 + 28x - 8

#7: Vertex is (2,-6)

     y-intercept is (0,6)

#8: Vertex is (-2,-29)

      y-intercept is (0,-9)

#9: Vertex is (-1,1)

      y-intercept is (0,-5)

#10: Vertex is (2,20)

       y-intercept is (0,-8)

Step-by-step explanation:

Graphs are in the picture below

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step-by-step explanation:

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