2018 May Time Zone 1 Maths SL – Paper 1

Paper 2 (Click here to scroll down)

Paper 1 – Question 1

Part (a) asks to find f(14).

Part (b) asks to find g(f(14)).

Part (c) asks to find the inverse function of g(x).

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 1 – 18M.1.sl.TZ1.1 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 2

Part (a) asks to find the interquartile range of the data.

Part (b) asks to calculate the least possible value for a score to be an outlier.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 2 – 18M.1.sl.TZ1.2 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 3

Part (a) asks to find f(0) and f^-1(1).

Part (b) asks to write down the range of the inverse of f(x).

Part (c) asks students to sketch the inverse of f(x) on the same graph.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 3 – 18M.1.sl.TZ1.3 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 4

Part (a) asks to show that the axis of symmetry is x=2.

Part (b) tells you that the line L has the equation y=5. It then asks to find the constant in the original quadratic equation.

When comparing this question to IB Maths SL Past Papers, this question is slightly more difficult than other Q4’s.

2018 Mathematics SL Paper 1 May TZ1 Question 4 – 18M.1.sl.TZ1.4 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 5

Part (a) asks to find the indefinite integral of (f(x))^2.

Part (b) asks you to find the volume of the solid formed when the function is rotated 2pi about the x axis between given limits.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 5 – 18M.1.sl.TZ1.5 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 6

When comparing this question to IB Maths SL Past Papers, this question is more difficult than most.

2018 Mathematics SL Paper 1 May TZ1 Question 6 – 18M.1.sl.TZ1.6 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 7

We are given g(3), g'(3) and f'(7) and we are asked to find the gradient of the normal to h(x) when x=3.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty to other Q7’s.

2018 Mathematics SL Paper 1 May TZ1 Question 7 – 18M.1.sl.TZ1.7 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 8

Part (a) asks to find f(x) by integrating the the given f'(x) function.

Part (b) asks to find the point of inflection.

Part (c) asks to find the values for x for which the graph is con-caving down.

This is a fairly common Question 8 / Question 9 when comparing to other IB Mathematics Standard Level Paper 1 Exams. This is an opportunity for a student to start Section B with 13/13 marks.

2018 Mathematics SL Paper 1 May TZ1 Question 8 – 18M.1.sl.TZ1.8 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 9

Part (a) asks to find the Vector AB

Part (b) asks to find a vector equation of the line passing through A and B and also to show that a point C lies in the curve.

Part (c) asks to find the scalar product of OB and AB and to also write down the value of the angle OBA.

Part (d) introduces point D and asks to find the area of the triangle OCD.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 9 – 18M.1.sl.TZ1.9 – M18/5/MATME/SP1/ENG/TZ1/XX

Paper 1 – Question 10

Part (a) asks to find an expression for the common ratio r in terms of theta. It also asks to find the possible values of r.

Part (b) asks to find an expression for the sum of the infinite geometric sequence.

Part (c) asks to find the values of theta which give the greatest value of the sum.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 1 May TZ1 Question 10 – 18M.1.sl.TZ1.10 – M18/5/MATME/SP1/ENG/TZ1/XX

2018 May Time Zone 1 Maths SL – Paper 2

Paper 2 – Question 1

Part (a) asks you to find f'(x).

Part (b) asks you to find f”(x).

Part (c) asks to solve f'(x)=f”(x) using your GDC.

When comparing this question to IB Maths SL Past Papers, this question is more difficult to most Q1’s.

2018 Mathematics SL Paper 2 May TZ1 Question 1 – 18M.2.sl.TZ1.1 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 2

Part (a) asks you to find the value of k (an unknown probability in the table).

Part (b) asks you to find the expected score.

Part (c) tells you that there are 80 trials. You are asked to calculate an expected outcome (see video for more details).

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 2 May TZ1 Question 2 – 18M.2.sl.TZ1.2 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 3

Part (a) asks you to find shaded region in terms of theta.

Part (b) gives you the shaded region and you are asked to find theta.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 2 May TZ1 Question 3 – 18M.2.sl.TZ1.3 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 4

Part (a) asks to write down the coordinates of the vertex.

Part (b) asks you to sketch g(x) on top of f(x)=x^2.

Part (c) asks to find the area of the region enclosed by f(x) and g(x).

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty. .

2018 Mathematics SL Paper 2 May TZ1 Question 4 – 18M.2.sl.TZ1.4 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 5

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 2 May TZ1 Question 5 – 18M.2.sl.TZ1.5 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 6

Two side lengths of a triangle are given along with the area of the triangle. The questions asks to find the largest possible perimeter of the triangle. This is an ambiguous case question where we need to use our trig formulas.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 2 May TZ1 Question 6 – 18M.2.sl.TZ1.6 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 7

2018 Mathematics SL Paper 2 May TZ1 Question 7 – 18M.2.sl.TZ1.7 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 8

Part (a) asks to find the regression line as per usual.

Part (b) asks to use the regression line to find y when x=3.57.

Part (c) requires you to manipulate the logarithmic equation into an exponential equation using algebra. This is quite challenging and worth 7 marks.

When comparing this question to IB Maths SL Past Papers, this question is more difficult to typical Q8’s.

2018 Mathematics SL Paper 2 May TZ1 Question 8 – 18M.2.sl.TZ1.8 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 9

Parts (a) (b) & (c) are very similar to other section B normal distribution questions where they ask for various probabilities given the information provided.

Parts (d) and (e) change to Binomial Distribution questions that are also similar to other Section B past paper questions.

This question does not have any surprises. If you have done your past papers, you will get this question correct. When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty.

2018 Mathematics SL Paper 2 May TZ1 Question 9 – 18M.2.sl.TZ1.9 – M18/5/MATME/SP2/ENG/TZ1/XX

Paper 2 – Question 10

Part (a) asks you to find the coordinates of the maximum A.

Part (b) asks you to write down the amplitude and the period of the function.

Part (c) asks to simplify the original function into pcos(x+r).

Part (d) shows a diagram of a ball on a spring where the spring is the original function. The distance function is given and you are asked to find the maximum speed of the ball.

Part (e) asks to find the first time when the rate of the ball’s speed is 2cms^-2.

When comparing this question to IB Maths SL Past Papers, this question is similar in difficulty to other Q10’s.

2018 Mathematics SL Paper 2 May TZ1 Question 10 – 18M.2.sl.TZ1.10 – M18/5/MATME/SP2/ENG/TZ1/XX

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