415,238 views
24 votes
24 votes
15. What is the y-intercept, axis of the symmentry and vertex of the following function

f(x)=-3x²-6x-5

User Byron Lagrone
by
3.0k points

2 Answers

20 votes
20 votes
Answer:

The y-intercept is c so it’s (-5)
Axis of the symmetry u get by using -b/2a and you get (-1 )
Vertex u apply -1 in the equation and u get (-1,-2)
The -1 is the x u got on axis of symmetry and -2 is the y which u get by applying the x= -1 in the formula of f(x)
User Ashraff Ali Wahab
by
3.2k points
23 votes
23 votes
Answer:
Axis of sym: x = -1
Vertex: (-1,-2)
Y intercept: y = -5
User Miluska
by
3.8k points