Answer:
The discriminant equals to 0
Step-by-step explanation:
We have to remember our discriminant rules;
d > 0, we have 2 real roots
d = 0, we have 1 real root
d < 0, we have 2 complex roots
24.02 inches
Thus, board is 24.02 inches long.
The answer to ur question is B
Hello!
-25
−43+18
−25
Hope this helps!