How do you solve #1/2x^2<=x+12# using a sign chart?
1 Answer
The solution is
Explanation:
Let's rearrange the inequality
Factorising, we get
Let,
We can build the sign chart
Therefore,
graph{1/2x^2-x-12 [-16.22, 15.8, -12.55, 3.47]}
The solution is
Let's rearrange the inequality
Factorising, we get
Let,
We can build the sign chart
Therefore,
graph{1/2x^2-x-12 [-16.22, 15.8, -12.55, 3.47]}