analytical geometry past papers (questions &...
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Analytical Geometry – Past Papers (Questions & Solutions)
November 2008
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November 2009
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February 2010
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November 2010
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February 2011
QUESTION 4
In the diagram below PQR with vertices P(– 1 ; 2), Q(– 2 ; – 2) and R(3 ; 0) is given.
-5 -4 -3 -2 -1 1 2 3 4 5
-5
-4
-3
-2
-1
1
2
3
4
5
x
Q
P
RO
y
4.1 Calculate the angle that PQ makes with the positive x-axis. (3)
4.2 Determine the coordinates of M, the midpoint of PR. (2)
4.3 Determine the perimeter of PQR to the nearest whole number. (5)
4.4 Determine an equation of the line parallel to PQ that passes through M. (3)
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QUESTION 5
5.1 The equation of a circle is 156822 yxyx .
5.1.1 Prove that the point (2 ; – 9) is on the circumference of the circle. (2)
5.1.2 Determine an equation of the tangent to the circle at the point (2 ; – 9). (7)
5.2 Calculate the length of the tangent AB drawn from the point A(6 ; 4) to the circle with equation
10)1()3( 22 yx .
(5)
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QUESTION 6
The circle, with centre A and equation 25)2()3( 22 yx is given in the following diagram. B is a
y-intercept of the circle.
x
y
O
6.1 Determine the coordinates of B. (4)
6.2 Write down the coordinates of C, if C is the reflect ion of B in the line x = 3. (2)
6.3 The circle is enlarged through the origin by a factor of 2
3.
Write down the equation of the new circle, centre A/, in the form
222 )()( rbyax .
(2)
B C
A
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6.4 In addition to the circle with centre A and equation 25)2()3( 22 yx , you are given the
circle 100)10()12( 22 yx with centre B.
6.4.1 Calculate the distance between the centres A and B. (2)
6.4.2 In how many points do these two circles intersect? Justify your answer. (2)
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November 2011
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February 2012
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November 2012
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February 2013
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November 2013
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February 2014
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November 2014
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February 2015
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November 2015
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February 2016
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November 2016
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***** SOLUTIONS TO FOLLOW *****
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February 2017
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***** SOLUTIONS TO FOLLOW *****