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Mathematics 7 Online
OpenStudy (anonymous):

Graph the inequality...

OpenStudy (anonymous):

\[y<(x-3)^2\]

OpenStudy (anonymous):

@jigglypuff314

OpenStudy (zale101):

first, graph y=(x-3)^2

OpenStudy (zale101):

it should be a parabola? agree?

OpenStudy (anonymous):

yes is the vertex (0,0)?

OpenStudy (anonymous):

I'm sorry (0,3)?

OpenStudy (zale101):

no, y=(x-h)^2+k h is x k is y h is 3 and k is 0 so (0,3) is the vertex y=(x-3)^2+0

OpenStudy (zale101):

so, the y, must touch the 0 y-axis

OpenStudy (zale101):

|dw:1395181946029:dw|

OpenStudy (zale101):

Based off the equation, does it shift to the left 3 units or shift to the right 3 units?

OpenStudy (anonymous):

upward

OpenStudy (zale101):

the graph can't go upward nor downward , since the y or the k vertex is just 0

OpenStudy (zale101):

does the graph shift <---that way or this way --->

OpenStudy (zale101):

here you have y=(x-3)^2

OpenStudy (anonymous):

i don't know :/

OpenStudy (anonymous):

isn't that closer to the form \[y-k=a(x-h)^2\]

OpenStudy (zale101):

the paraola formula is y=(x-h)^2+k your equation is y=(x-(3))^2 that means 3 is positive, if -3 was in that equation the equation will look like this y=(x-(-3))^2 -----> y=(x+3)^2 so your equation y=(x-3)^2 has h of 3 and the overall vertex is (3,0)

OpenStudy (zale101):

yeah @hello1213 that's the vertex form of a parabola

OpenStudy (zale101):

also written like this y=(x-h)^2+k

OpenStudy (anonymous):

okay so the vertx is (3,0) or (0,3)?

OpenStudy (zale101):

|dw:1395182478761:dw|

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