Factorise x^2 - 14x + 49

(x - 7)^2

SK

Related Maths GCSE answers

All answers ▸

(a)Show that the lines y=3x+7 and 2y–6x=8 are parallel. [3 marks] (b) Is the point (–5, –6) above, below or on the line y = 3x + 7 ? Do not use a graphical method. [2 marks] [Total 5 marks]


How do I solve a simultaneous equation like this: 2x-5y=3, 3x+2y=14 ?


Solve these simultaneous equations: 2x + 5y = 37 and y = 11 - 2x


Tom bought a full bag of coal. After one week the bag was 2/3 full. During the next week he used 1/4 of the remaining coal. How much is left?