Hits: 64

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663A/01) | Year 2014 | January | Q#6

Hits: 52   Question The straight line  has equation 2y = 3x + 7. The line  crosses the y-axis at the point A as shown in Figure. a.                         i.       State the gradient of .                   ii.       Write down the coordinates of the point A. Another straight line  intersects  at the point B (1, 5) and crosses the x-axis at the point C, as  […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663A/01) | Year 2014 | January | Q#3

Hits: 12   Question Solve the simultaneous equations Solution We are given simultaneous equations; We rearrange the first equation to find x in terms of y. Substituting this  from first equation in the second equation; We have the algebraic formula; Now we have two options. By substituting one-by-one these values of  in first equation, we can find corresponding values of […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663A/01) | Year 2014 | January | Q#1

Hits: 23 Question Fully simplify a.   b.   Solution a.   We are given; b.     We are given; If we need a rational number in the denominator of a fraction, we need to follow procedure of  “denominator rationalization” as given below. ü If the denominator is of the form  then multiply both numerator and denominator by . ü If the […]