Evaluate $\lceil-2.4\rceil$.
I know that $\lceil x\rceil$ means the smallest integer that is greater than or equal to x. So I need to find the smallest integer that is greater than or equal to -2.4. I can use a number line to help me visualize this. I can plot -2.4 on the number line and look for the next integer to the right of it. The next integer to the right of -2.4 is -2. So $\lceil-2.4\rceil = -2$. 