CAPE Pure Mathematics Unit 1 · May/June 1999 · Paper 2
35 questions and parts from this paper. Open one to see it in full, then practise it on Quelpr and get it marked against the mark scheme.
- 1(a)8 marksSolve the simultaneous equations: (x - 2)² + (y+2)² = 4, y+x-2=0.
- 1(b)(i)1 markWrite down the size of angle PQR.
- 1(b)(ii)2 marksCalculate, in terms of r, the area of triangle PQR.
- 1(b)(iii)1 markWrite down the size of angle PSQ.
- 1(b)(iv)2 marksBy considering triangle PSR, or otherwise, show that r/(r+α) = √3/2.
- 1(b)(v)6 marksCalculate, in terms of r, the area of the shaded region.
- 2(a)(i)2 marksEvaluate f(-2).
- 2(a)(ii)4 marksCalculate the exact values of x which map onto themselves under the function f.
- 2(a)(iii)3 marksExpress f(x) in the form u(x - v)² + w, where u, v, w ∈ R.
- 2(a)(iv)3 marksBy sketching the graph of y = f(x), or otherwise, state the turning point P of the graph and indicate whether P is a maximum or a minimum.
- 2(b)(i)1 markDetermine the range of f.
- 2(b)(ii)1 markExplain why the function f has an inverse.
- 2(b)(iii)4 marksFind an expression for f⁻¹(x).
- 2(b)(iv)2 marksDescribe the geometrical relationship between the graphs y = f(x) and y = f⁻¹(x).
- 3(a)(i)3 marksFind the equation of the line which passes through the point (4, -1) and is perpendicular to the straight line y = -2x + 2.
- 3(a)(ii)3 marksCalculate the coordinates of the point of intersection of these two straight lines.
- 3(b)(i)5 marksCalculate the range of values of k for which the equation f(x) = 0 has no real roots.
- 3(b)(ii)3 marksSolve the equation f(x) = 0 for k = 1, giving your answer in the form a ± bi, where a, b ∈ R.
- 3(b)(iii)6 marksLet α and β be roots of f(x) = 0 when k = 8. Without first solving f(x) = 0, determine the equation whose roots are respectively 1/α and 1/β.
- 4(a)2 marksGiven that θ is an obtuse angle such that sin θ = 2/3, find the value of cos 2θ.
- 4(b)(i)3 marksObtain an expression for AD in terms of θ.
- 4(b)(ii)4 marksExpress AD in the form Rcos(θ + α), where R is positive and α is an acute angle.
- 4(c)(i)5 marksExpress cos 3θ in terms of cos θ.
- 4(c)(ii)6 marksHence, solve, for 0 < θ < 2π, the equation cos 3θ + 2 cos 2θ + 4 cos θ + 2 = 0.
- 5(a)2 marksSketch the curve traced out by the cutter.
- 5(b)6 marksUse the Trapezium rule to find the approximate area of a flat side of each disc by using eight (8) subintervals.
- 5(c)4 marksCompare this approximate area with the exact area of a side of each disc.
- 5(d)(i)2 marksSketch the solid that is generated by the rotation.
- 5(d)(ii)6 marksFind the volume of the solid that is generated.
- 6(a)3 marksFind g(0), g(1) and g(-1).
- 6(b)2 marksObtain an expression for the derivative g'(x) of g at x ∈ R.
- 6(c)4 marksFind the stationary points of g.
- 6(d)(i)2 marksDetermine the value(s) of x where g has a local maximum.
- 6(d)(ii)2 marksDetermine the value(s) of x where g has a local minimum.
- 6(e)7 marksUsing the above, and any other information, sketch the graph of g.