What is the y-value of the vertex of the function f(x)=-(x-3)(x+11)?
0
-8
1 answer:
Answer:
49
Step-by-step explanation:
The given function is .
We expand to get:
We complete the square to obtain the vertex form as follows:
This function is now of the form:
, where (h,k)=(-4,49) is the vertex.
The y-value of the vertex is therefore 49
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Answer:
its a and b
Step-by-step explanation:
Answer:
u=8
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8u=64
u=8
finish
<span>9x - 3 = -39
9x = -39 + 3
9x = -36
x = -36/9
x = -4
</span><span>Answer: b -4</span>