50 POINTS! The function h(x) = x2 + 6x + 7 represents a parabola. Part A: Rewrite the function in vertex form by com

Question

50 POINTS!

The function h(x) = x2 + 6x + 7 represents a parabola.

Part A: Rewrite the function in vertex form by completing the square. Show your work.

Part B: Determine the vertex and indicate whether it is a maximum or a minimum on the graph. How do you know?

Part C: Determine the axis of symmetry for h(x).

in progress 0
Melanie 1 week 2021-10-08T09:43:20+00:00 1 Answer 0

Answers ( )

    0
    2021-10-08T09:44:30+00:00

    Answer:

    A. (x + 3)² – 2

    B. (-3,-2); min

    C. x = -3

    Step-by-step explanation:

    x² + 6x + 7

    x² + 2(x)(3) + 3² – 3² + 7

    x² + 2(x)(3) + 3² – 9 + 7

    (x + 3)² – 2

    Vertex: (-3 , -2)

    It’s a concave up, so minimum

    Line of symmetry is x = h

    x = -3

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )