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do you know how to complete the square? let's practice do you think x^2-2x+1 can be written as a square?
i was thnking it was D?
can you write is as a square for me?
okay so if you do that then we have x^2-8x+13+3=0+3 x^2-8x+16=3
so are you think x^2-8x+16 can be written as square?
and you are right about my example
x^2-8x+16 can be written as (x- ? )^2
what is ?
you did this all by yourself @kristinak
yeah but i still dont know the answer
you are saying we have (x-4)^2=3
4 and 3 are totally integers
so its b?
Can you tell me where you are confused on your first choice?
i thought you said i was wrong when i said it was D?
never said that
i simply was working through what D would have given us
do you not think 4 and 3 are integers?
No they are
thank you so much, sorry i was confused
can you help me with another?
its the screenshot
can you find the vertex for the first one?
am i right?
now the vertex is very important for consider the min or even the max for a parabola that is why i asked for the other graph i think a good way to approximate the vertex is just plot those points given
i want you to speculate on what you think the vertex is
now it helped me to actually plot the points so i encourage you to do so
tell me what you think looks like the middle point of that graph
that is very great
now the y values for each of these points is the amount of min production cost from each graph
aka lowest y value for each graph
the question ask you to compare the y values basically it ask which one is greater
right because 899.5>55 so company 2 has a bigger min production cost
thank you!! can you help me with like 2 or 3 more?
honestly i cannot i have to leave i suggest posting a new question
oh okay thank you
np have a great night