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Mathematics 57 Online
thatgirlcrazy:

What is the equation of the parabola shown with its directrix on this graph?

thatgirlcrazy:

NotLeiland:

@supie2 Do ur magic

thatgirlcrazy:

supie2:

ok lemme see

supie2:

the vertex is (1,-2) the porabola passes through (5,2)

supie2:

a(5-1) squared -2=2

supie2:

4 sqaurd a-2=2

supie2:

y=1/4(x-1) squard -2

supie2:

(:

NotLeiland:

WW supie2

supie2:

@thatgirlcrazy wrote:
was it right?

thatgirlcrazy:

@supie2 wrote:
@thatgirlcrazy wrote:
was it right?
I don't know yet let me look

thatgirlcrazy:

yes u were thxs

supie2:

@thatgirlcrazy wrote:
yes u were thxs
let gooo

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