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Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#10

Hits: 5   Question a.   On the same axes sketch the graphs of the curves with equations i.       y=x2(x –2), ii.     y=x(6 –x), and indicate on your sketches the coordinates of all the points where the curves  cross the x-axis. b.   Use algebra to find the coordinates of the points where the graphs intersect. Solution a.     […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#4

Hits: 1   Question Solve the simultaneous equations Solution We are given simultaneous equations; Substituting this for  from first equation in the second equation; We have the algebraic formula; Therefore; Now we have two options. By substituting one-by-one these values of  in first equation, we can find corresponding values of . For For Hence, there are following two solutions of the […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#3

Hits: 1   Question Given that  , x ≠0, a.   Sketch the graph of y=f(x)+3 and state the equations of the asymptotes. b.   Find the coordinates of the point where y=f(x)+3 crosses a coordinate axis. Solution a.   We are given that; We are required to sketch y=f(x)+3. Translation through vector  represents the move,  units in the x-direction and […]