Quadratic Equations Summary

Quadratic Equations

 

Summary

quadratic equations usually have one variable and the highest exponent is 2.

quadratic equations can have zero, one or two solutions.

they can be solved by taking the square root, factorising or using the quadratic formula.

 

 

Key Skills
  • recognise that an equation is quadratic
  • decide on the best method for solving the equation
  • factorise the equation if necessary
  • evaluate the solution(s)
  • use the quadratic formula
  • solve word problems using quadratic equations

 

Vocabulary

quadratic, factorise, square root, exponent, quadratic formula.