Find  in terms of t for the following parametric equations:

1
y = 2t x = 4t2
2
y = 2cos t x = 2sin t
3
y = t2 x = 2t
4
y = t2 + 3 x = 2t + 3
5
y = sin t x = cos t
6
y = 3t2 x = 6t − 1
7
y = 3v + 4 x = v / 2
8
y = 2 sin t x = 4 cos t
9
y = 2u + 3 x = 6u − 4
10
y = w2 − 4 x = (w − 4)2