A curve has the parametric equations
x=ln(t+4),y=t2−25,t>−4 x = \ln(t + 4), \quad y = t^2 - 25, \quad t > -4 x=ln(t+4),y=t2−25,t>−4Find the points where the curve crosses the coordinate axes.
Find an equation for the tangent to the curve when t=1t = 1t=1.
76 exam-style questions on WJEC A Level Maths 3.3 Coordinate geometry in the (x, y) plane (A-level only), covering 3.3.1 Coordinate geometry in the (x, y) plane (A-level only) and 3.3.2 Coordinate geometry in the (x, y) plane (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.