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
-5|x + 1| = 10
-5 -5
|x + 1| = -2
No Solution
35x5=175
175x1=175
25x7=175
Answer:
99 24/25
Step-by-step explanation:
8.33*√144=
8.33*12=99 24/25 or 100 with 8.33 bar
Answer:
Step-by-step explanation:
51.78 is rounded up to 52
