Mathematics 9709/21 — May/June 2015

Cambridge AS Level · Pure Mathematics 2 · worked solutions for every part, with the mark scheme

questions

marks

minutes

Topics Logarithmic and Exponential Functions · Algebra · Differentiation · Integration · Numerical Solution of Equations · Trigonometry

Q1AlgebraLogarithmic and Exponential FunctionsFree sample

(i)

Solve the equation $|3x + 4| = |3x - 11|$ .

(ii)

Hence, using logarithms, solve the equation $|3 \times 2^y + 4| = |3 \times 2^y - 11|$ , giving the answer correct to 3 significant figures.

The rest of this paper

6 more questions

Q2Logarithmic and Exponential Functions5M
Q3Differentiation5M
Q4Algebra7M
Q5Integration · Logarithmic and Exponential Functions · Numerical Solution of Equations8M
Q6Trigonometry · Integration10M
Q7Differentiation10M

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