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A quadratic equation is shown below: x2 - 8x + 13 = 0 Which of the following is the first correct step to write the above equation in the form (x - p)2 = q, where p and q are integers? Subtract 5 from both sides of the equation Subtract 3 from both sides of the equation Add 5 to both sides of the equation Add 3 to both sides of the equation

Mathematics
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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?
yes

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Other answers:

i was thnking it was D?
can you write is as a square for me?
(X-1)^2
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
Yes
x^2-8x+16 can be written as (x- ? )^2
what is ?
(x-4)^2
yeah
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
its okay
can you help me with another?
alright
one moment
1 Attachment
its the screenshot
can you find the vertex for the first one?
one moment
(70,55)
am i right?
beautiful!
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
(1,899.50)
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
company 2?
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

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