Eliminate the parameter t to find a Cartesian equation for: x = t^2 y = 8 + 4t [x = Ay^2 + By + C] I need to find A, B, and C. Please Help!
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Originally Posted by Del Eliminate the parameter t to find a Cartesian equation for: x = t^2 y = 8 + 4t [x = Ay^2 + By + C] I need to find A, B, and C. Please Help! Solve the y equation for t: $\displaystyle y = 8 + 4t$ $\displaystyle 4t = y - 8$ $\displaystyle t = \frac{y - 8}{4}$ Now insert this into the x equation: $\displaystyle x = \left ( \frac{y - 8}{4} \right ) ^2$ Now just FOIL it out. -Dan
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