CPM Homework Help : CCA Problem 11-110

Find the lowest point of the graph of the function $f\left(x\right)=3x^2+15x-18$ . Explain how you know it is the lowest.

Step 1:

Change the equation into graphing form. Start by dividing both sides by $3$ .

Step 2:

Using the graphing form, you can find the vertex, which is the lowest point of this function.

Answer:

$\left(-2.5,-36.75\right)$