Categorisation: Use the quadratic formula to solve a quadratic equation (with…
MATHEMATICS · Subjective · IGCSE · Maths · Algebra and Graphs · Algebra and Graphs
Problem
Categorisation: Use the quadratic formula to solve a quadratic equation (with different combinations of negative/positive terms to Question 10).
[Edexcel IGCSE May2013-3H Q20b Edited]
Solve x2−10x+18=0 Give your solutions correct to 3 significant figures.