GCE Mathematics C1 0973-01

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WJEC 2014 Online Exam Review GCE Mathematics C1 0973-01 All Candidates' performance across questions

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

N 4803 4781 4656 4717 4717 4668 4744 4602 4732 4507

Mean 11.4 6.1 5.9 3 3.4 4.6 5.1 4.4 4.8 4.2

SD 2.7 2.3 2.6 1.7 1.6 2.2 1.8 2.2 1.7 1.9

Max Mark 14 8 9 5 5 7 7 6 7 7

FF 81.4 75.7 65.1 59.9 67.3 66.1 73.3 72.5 68.8 60.7

Attempt % 99.8 99.4 96.8 98 98 97 98.6 95.7 98.4 93.7

Question

GCE_MathematicsC1_097301 10 9 8 7 6 5 4 3 2 1

60.7 68.8 72.5 73.3 66.1 67.3 59.9 65.1 75.7 81.4 0

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Facility Factor %

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7a 10ab

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3.

The curve C has equation y = x2 – 8x + 14. (a) The point P has coordinates (6, 2) and lies on the curve C. Find the equation of the normal to C at P. [5] (b) The point Q lies on C and is such that the tangent to C at Q has equation

y = 2x + c, where c is a constant. Find the coordinates of Q and the value of c.

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(0973-01)

[4]

3

7.

(a) Given that y = – 3x2 + 8x – 7, find

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dy from first principles. dx

(0973-01)

[5]

4 10. The curve C has equation [4] [2]

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(0973-01)

10.

M1 A1

B1 M1 A1 A1

M0 A0

B1 M1 A1

A0