Edexcel IGCSE Math A Higher 2.7 Hc Forming Quadratic Equations Questions question 1
[Maximum number: 3]
The diagram shows a trapezium.
Diagram NOT accurately drawn
All measurements shown on the diagram are in centimetres.
The area of the trapezium is 133 cm2
Show that 8x2−6x−275=0
Area of the trapezium:
21(x+5+3x−2)(2x−3)=13321(4x+3)(2x−3)=1338x2−12x+6x−9=2668x2−6x−275=0
Shown.
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