Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots
initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots
replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots
B is answer
36 degrees f hope this helps
> and = with line through it
OH I KNOW I KNOW TEACHER. its its wait im in middle school what the heck am i doing in here.
Answer:
29.98332
Step-by-step explanation:
