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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS June 2007
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6. (a) By eliminating y from the equations
y = x ­ 4,
2x2 ­ xy = 8,
show that
x2 + 4x ­ 8 = 0.
(2)
(b) Hence, or otherwise, solve the simultaneous equations
y = x ­ 4,
2x2 ­ xy = 8,
giving your answers in the form a ± b3, where a and b are integers.…read more

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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS June 2007
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Question 6 continued
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(Total 7 marks)
11
*H26107A01124* Turn over
3…read more

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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS June 2008
part b
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3
6. The curve C has equation y = and the line l has equation y = 2x + 5.
x
(a) On the axes below, sketch the graphs of C and l, indicating clearly the coordinates of
any intersections with the axes.
(3)
(b) Find the coordinates of the points of intersection of C and l.…read more

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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS June 2008
part b
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Question 6 continued
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(Total 9 marks)
11
*H29992A01128* Turn over
5…read more

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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS January 2010
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5.…read more

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Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS June 2011
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4.…read more

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January 2013
Sacred Heart of Mary Girls' School SIMULATENOUS EQUATIONS RVFTUJPOD
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6. y
O x
Figure 1
2
Figure 1 shows a sketch of the curve with equation y = , x0
x
2
The curve C has equation y = - 5, x 0 , and the line l has equation y = 4 x + 2
x
(a) Sketch and clearly label the graphs of C and l on a single diagram.…read more

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