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!
DA
Related Maths GCSE answers
All answers ▸solve for x: (x-2)(x+3)=2(2x+11)
How do you solve simultaneous equations and why do you do it?
What does Pythagoras's theorem state?
The value of a new car is £18000. The value of the car decreases by 25% in the first year, and 12% in each of the next 4 years. Work out the value of the car after 5 years.