GCE Mathematics C3 0975-01

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WJEC 2014 Online Exam Review GCE Mathematics C3 0975-01 All Candidates' performance across questions

Question Title 1 2 3 4 5 6 7 8 9 10

N 2240 2234 2233 2223 2224 2232 2214 2218 2194 2173

Mean 4 5.4 4.8 4.3 6.5 5.5 6.6 3.1 2.8 4.7

SD 0.9 1.5 1.5 2.1 2.6 2.7 2.6 1.7 1.7 2.4

Max Mark 6 6 8 7 9 11 10 5 5 8

FF 67.4 89.3 59.7 61.1 72.6 49.6 65.6 62.3 56.4 59.1

Attempt % 99.9 99.6 99.6 99.2 99.2 99.5 98.8 98.9 97.9 96.9

Question

GCE Mathematics C3 0975-01 10 9 8 7 6 5 4 3 2 1

59.1 56.4 62.3 65.6 49.6 72.6 61.1 59.7 89.3 67.4 0

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Facility Factor %

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1b 3b 4

1.

(b)

Use your answer to part (a) to deduce an approximate value for the integral 3

∫ ln (16 + 2e ) dx. x

0

[2]

© WJEC CBAC Ltd.

(0975-01)

1.

1.

1.

1.

1.

1.

M1 A0

1.

1.

2 3.

(b) Show that there is no point on C at which

© WJEC CBAC Ltd.

(0975-01)

dy = 0 . dx

[4]

3.

3.

3.

3.

2

4.

Given that x = 2et – 5, y = 8e – t + 3et – 4, find the value of t when Give your answer correct to three decimal places.

© WJEC CBAC Ltd.

(0975-01)

dy = – 1. dx [7]

4.

4.

M1 A1

M0

A0

A0

4.

4.

M1

A0 A0