It is proportional because we increase y.
The parabola has a minimum value of -3 due to the subtraction at the end of the equation.
Answer:
The missing side length is 3 units long.
Step-by-step explanation:
Use the Pythagorean Theorem where c²=a²+b²,
c=2√3, c²=12
a²=√3, a²=3
Solving for the missing side yields a side length of 3.