Question

How do you write the pair of parametric equations as a single equation in x and y given x=7t-7 and `y=7t^2-3`?

Answer 1

`y = x^2/7+2 x+4`

Explanation:

`x = 7t - 7 implies t = (x+7)/7`

`y = 7t^2 - 3 = 7 ((x+7)/7)^2 - 3`

`= x^2/7+2 x+4`