How is the quadratic formula used?
When you are told to solve a quadratic equation and when factorising is not possible, quadratic formula can be used to find out the solution. First you will need to get the coefficients from the quadratic equation and then plug in these values into the equation appropriately and solve!
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Related Maths GCSE answers
All answers ▸Find the points of intersection of the line y+x=8 and a circle with centre at (3,-2) and radius 5.
Before an exam, I always go through as many past papers as possible but I still don't know how to do the questions on an exam when they come up, why and what can I do?
Solve n^2 – n – 90 = 0 to find value of n
√(6^2+8^2)=^3√125a^3