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19 votes
15. What is the y-intercept, axis of the symmentry and vertex of the following function

f(x)=-3x²-6x-5

User Jinsungy
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2 Answers

2 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 LifeQuery
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4.4k points
6 votes
Answer:
Axis of sym: x = -1
Vertex: (-1,-2)
Y intercept: y = -5
User Dutzu
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4.1k points