Janu16
  • Janu16
The following graph of f(x)=x^2 has been shifted into the form f(x)=(x-h)^2+k
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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Janu16
  • Janu16
This
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Nnesha
  • Nnesha
in that equation (h,k) is the vertex point
Janu16
  • Janu16
ya so im lookinf for k

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Nnesha
  • Nnesha
y-coordinate of the vertex would be the k |dw:1443886284134:dw| so look at the graph find what's x and y
Janu16
  • Janu16
2?
Nnesha
  • Nnesha
it should be (x,y) pair
Janu16
  • Janu16
2,2? not sure
Nnesha
  • Nnesha
you can draw a vertical line like this |dw:1443886489382:dw| when x = 2 y =-1 so (2,-1)
Janu16
  • Janu16
ohhyaa
Nnesha
  • Nnesha
so what would be the vertex in the given graph ?
Janu16
  • Janu16
2?
Janu16
  • Janu16
wait
Janu16
  • Janu16
-1?
Nnesha
  • Nnesha
that was an example.
Janu16
  • Janu16
ohh so the vertex is -2? cause that dot is on negative line
Nnesha
  • Nnesha
\[\huge\rm f(x)=a(x-h)^2+k\] vertex form of parabola where (h,k) is the vertex point shape of the parabola depends on the sign of leading coefficient if a is positive then it will opens up|dw:1443886757241:dw| and when a is negative parabola opens down
Nnesha
  • Nnesha
|dw:1443886878265:dw| that's the vertex
Janu16
  • Janu16
oookk
Nnesha
  • Nnesha
or in other words h = horizontal shift k= vertical shift to find k you should know how many units the graph going up or down from the origin
Nnesha
  • Nnesha
is*
anonymous
  • anonymous
why cant i see the drawing
Janu16
  • Janu16
so if you know that you would get the k?
Janu16
  • Janu16
you cant see it if you are on the phone app.
Nnesha
  • Nnesha
yes. so what's the k ?
Nnesha
  • Nnesha
i'll give u an exxample |dw:1443887248429:dw|
Janu16
  • Janu16
-2?
Janu16
  • Janu16
thats what i got
Nnesha
  • Nnesha
|dw:1443887515749:dw| the point is in first quadrant where x and y both are positive
Janu16
  • Janu16
ohh so positive 2
Nnesha
  • Nnesha
yes x =2 but we also need y -coordinate so when x = 2 y = what ?
Janu16
  • Janu16
3
Nnesha
  • Nnesha
right (h,k)= (2,3)
Janu16
  • Janu16
so h is 2 aznd k is 3?
Janu16
  • Janu16
thx so much nnesha!!
Nnesha
  • Nnesha
np :=) and yes right k=3

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