mitchelsewbaran
Which statement describes the translation of
y= -1/2(x-2)^2 from standard position?
Moved up and to the right.
Moved up and to the left.
Moved down and to the left.
Moved down and to the right.
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hal_stirrup
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Trigonometry: Angles
Standard Position
Angles can exist anywhere in the coordinate plane where two rays share a common vertex. If this vertex is at the origin of the plane and the initial side lies along the positive $x$-axis, then the angle is said to be in standard position.
mitchelsewbaran
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s which statement would it be?
hal_stirrup
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if tell you if y=-1 which quadrant it in . 1st 2nd 3ed or 4th ???????
mitchelsewbaran
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3rd and 4th. it's a straight line
hal_stirrup
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ok good.
hal_stirrup
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look at the equation carefully and see!! \[y=-\frac{ 1 }{ 2(x-2)^{2} }\]
hal_stirrup
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(X-2)^2 =???
hal_stirrup
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x^2 -4x+4 right!!
hal_stirrup
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so -1 tells us its in 3rd or 4th so we know that!!
what can we do now!!
mitchelsewbaran
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idk
hal_stirrup
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2(x^2 -4x+4)=2x^2-8x+8 right
hal_stirrup
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this is quadratic equation right!
hal_stirrup
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tell me if you dont undertand me plz
mitchelsewbaran
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yes it is
hal_stirrup
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find it roots and you would know.
mitchelsewbaran
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find the roots of which equation?
hal_stirrup
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2x^2-8x+8
mitchelsewbaran
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1, 1/2, 2, 4, 8
mitchelsewbaran
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hello?
hal_stirrup
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root is 2
hal_stirrup
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do you have the book answer??
mitchelsewbaran
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no
hal_stirrup
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what you have written and what you have in the image are two different equations !!
mitchelsewbaran
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well this was the actual question. my bad!!!
mitchelsewbaran
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the attachment
hal_stirrup
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Regardless what i showed you should make you answer the question.
mitchelsewbaran
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the 1st one
hal_stirrup
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?? "the 1st one"
mitchelsewbaran
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the 1st choices out of the 4 i provided
mitchelsewbaran
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Moved up and to the right.
hal_stirrup
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ok do the following . get a graphic calculator or software and plug in you equation.see for you self as am seing know, its not 1st choices. i hope am wrong so i learn something new here. i really do!!
mitchelsewbaran
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plug in the equation from the question, or 2x^2-8x+8?
hal_stirrup
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plug this y=-1/2 (x-2)^2 -(2)
hal_stirrup
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so how can it be Moved up and to the right
mitchelsewbaran
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ok, well fine, i'm wrong...
hal_stirrup
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am not here help . i hope i did that.
mitchelsewbaran
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hope u did what?
hal_stirrup
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sorry
i mean am here to help . i hope i did that
hal_stirrup
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|dw:1345942197493:dw|
mitchelsewbaran
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so it can be moved down then to the right?
hal_stirrup
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thats what i think.
hal_stirrup
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|dw:1345942387443:dw|
hal_stirrup
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where did you get this Q from??
hal_stirrup
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|dw:1345942587752:dw|