How do solve #x^2+21>10x# and write the answer as a inequality and interval notation?
1 Answer
Nov 6, 2016
Rewrite as a quadratic equation, solve, and use test points to see in what interval the solution lies.
TEST POINT 1:
TEST POINT 2:
TEST POINT 3:
So, the solution is
In interval notation, this would be
Hopefully this helps!