The diagram shows a six-sided shape formed from two rectangles. All measurements are given in centimetres.
The area of the shape is 80cm2
a.[2]
Show that 3x2+7x−50=03x^2 + 7x - 50 = 03x2+7x−50=0
b.[3]
Find the value of xxx. Give your answer to 3 significant figures.
Quadratic Formula Questions
Practise AQA GCSE Maths Quadratic Formula with exam-style questions for Foundation and Higher tier. 49 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.