Answer:
4
Step-by-step explanation:
3x² + 2x - 4
3(-2)² + 2(-2) - 4
3(4) - 4 - 4
12 - 4 - 4
12 - 8
= 4
We will start by using the quadratic formula.
We will simplify that and get:
So our answers would be:
61.27 cm
refer to picture