A curve has parametric equations x=2t, y=t^2. Find the Cartesian equation of the curve.
x=2t --> t= x/2
y=t2 = (x/2)2.
So the Cartesian equation is y=x2/4.
KW
Related Maths A Level answers
All answers ▸Solve the simultaneous equations x – 2y = 1 and x^2 + y^2 = 29.
What the integral of e^2x*x? (limits 0,1)
f(x) = (x-5)/(x^2+5x+4), express this in partial fractions and hence find the integral of f(x) dx between x=0 and x=2, giving the answer as a single simplified logarithm.
A curve C has the equation x^3 +x^2 -10x +8. Find the points at which C crosses the x axis.