Replace the default values in the quadratic inequality in the form of ax2 + bx + c below. The function crosses the x-axis at two places at most. These places are called the roots and they can be found using the quadratic formula:
Knowing these roots help us determine where the function is less than, equal to and greater than zero. Try out this calculator to see how it is done.
If you've found a bug, or would like to contact us please click here.
Calculate.co.nz is partnered with Interest.co.nz for New Zealand's highest quality calculators and financial analysis.
Copyright © 2019 calculate.co.nz All Rights Reserved. No part of this website, source code, or any of the tools shall be copied, taken or used without the permission of the owner. All calculators and tools on this website are made for educational and indicative use only. Calculate.co.nz is part of the GST Calculator, PAYE Calculator,and Salary.co.nz group.