Answer: center (0,0), vertices (+/-5,0), foci (+/-4.6,0)
Step-by-step explanation:
I think it is -8. Subsitute the value. 2(-8) +1=-15 which is less than 0. When you plug -8 for x^2 -1 you get 64-1 which is 63. 63 is offcourse greater than 0.
Answer:
A
Step-by-step explanation:
-4 would be going backwards 4, and -(-8) would be equivalent to adding 8 to the pre-existing -4.
-hope it helps
The answer you have selected is correct. The answer to this question is 90.