Answer:
[Vertex form]
Step-by-step explanation:
Given function:
We need to find the vertex form which is.,
where 
represents the co-ordinates of vertex.
We apply completing square method to do so.
We have
First of all we make sure that the leading co-efficient is =1.
In order to make the leading co-efficient is =1, we multiply each term with -3.
Isolating 
and 
terms on one side.
Subtracting both sides by 15.
In order to make the right side a perfect square trinomial, we will take half of the co-efficient of term, square it and add it both sides side.
square of half of the co-efficient of term = 
Adding 36 to both sides.
Since 
is a perfect square of 
, so, we can write as:
Subtracting 21 to both sides:
Dividing both sides by -3.
[Vertex form]
Answer:
∠MNP is your answer
Step-by-step explanation:
Note the angle and the order it is said. It is ∠ABC, which means the double line side, one curve line angle, and then triple line side.
Now look at the second triangle, the same double line side (NM), one curve line angle (∠N), and triple line side (NP)
Put them together: ∠MNP is your answer
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What do u mean like 82+82?
I think 53.088 is the answer
Irrational numbers
hope this helped :)
