Writing Parametric Equations

X and Y

100

x=t²-2

y=5t

y=5(root)(x+2)

200

Solve 

x=-t-4 

y=3t²

y=3x²+24x+48

300

x=2t-5

y=t²+4

y=1/4x² + 5/2x + 41/4

Sin and Cos

100

x=2sin(0) 

y=2cos(0)

x²/49+y²/4=1 

200

x=sin(0)

y=7cos(0)

x²/1+y²/49=1 

300

x=3cos(0) 

y=3sin(0)

x²/9+y²/9=1