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OpenStudy (anonymous):
Eliminate the parameter. x = 4t - 4 y = 16t2 - 1 A. y = x2 + 8x + 15 B. y = 16x2 - 8x + 3 C. y = x2 + 8x + 17 D. y = 16x2 - 8x + 5
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OpenStudy (luigi0210):
Start by setting the first equation equal to t
OpenStudy (anonymous):
t=-x(4)+4 ?
OpenStudy (luigi0210):
x=4t-4 x+4=4t (x/4)+1=t
OpenStudy (anonymous):
and then after that you plug in to t?
OpenStudy (luigi0210):
Yup, plug that in to the second equation
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OpenStudy (dan815):
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