Home > High School: Algebra > Quadratic Formula

Quadratic Formula

Directions: Use any whole number from 1 to 9 to find the biggest and smallest result. You may only use a number once:



What will the exponent do?
What will the radical do?



Assuming the solution can be negative, the biggest result would occur when a=2, b=9, and c=1 (solution = -0.11). The smallest solution, found by Robert Hays, would occur when a=1, b=9, c=2 (solution = -8.77)

Source: Dane Ehlert

Print Friendly

Check Also

Create an Equation with a Solution Closest to Zero

Directions: Using whole numbers 1 through 9 at most once, create an equation such that …


  1. I agree with the largest value a=2, b=9, c=1 ( solution = 0.11 )

    The smallest value I found was a=1, b=9, c=2 ( solution = -8.77 )

Leave a Reply

Your email address will not be published. Required fields are marked *