Hits: 627

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2017 | June | Q#9

Hits: 627   Question a.   On separate axes sketch the graphs of                     i.       y = –3x + c, where c is a positive constant,                   ii.        On each sketch show the coordinates of any point at which the graph crosses the y-axis and the equation of any horizontal asymptote. Given that y = –3x + c, where c is a positive […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2017 | June | Q#6

Hits: 72 Question a.   Given y = 2x, show that can be written in the form b.   Hence solve Solution a)     We have the equation; We are given that y = 2x; b)    We are required to solve; As demonstrated in (a) this can be written as; Now we have two options. For these values of y, we can find […]

# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2017 | June | Q#5

Hits: 73 Question f(x) = x2 – 8x + 19 a.   (a) Express f(x) in the form (x + a)2 + b, where a and b are constants. The curve C with equation y = f(x) crosses the y-axis at the point P and has a minimum point at the  point Q. b.   Sketch the graph of C […]