Graph the following function. show the axis of symmetry, the vertex, and all of your work on how you graphed it. y = -3x^2 - 6x + 5 show your work and give a graph.

the axis of symmetry is x = -1

the vertex  is (-1,8)

the y intercept is (0,5)   let x=0

because it is symmetrical

x=-2 will also be -5   (-2,5)

Step-by-step explanation:

y = -3x^2 - 6x + 5

to find the axis of symmetry  ax^2 +bx+c

h = -b/2a    

h = -(-6)/ 2 (-3)

h = 6/-6

h = -1

the axis of symmetry is x = -1

the vertex is  (h,k)

to find k substitute  h into the equation

k (or y) = -3 (-1)^2 -6(-1) +5

   k = -3 *1 +6+5

k = 8

the vertex  is (-1,8)

the y intercept is (0,5)   let x=0

because it is symmetrical

x=-2 will also be -5   (-2,5)

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step-by-step explanation:

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