Answer:
C - 8
Explanation:
16, 225, and 64 are perfect squares. 8 isn’t because you multiply with 2 different numbers which doesn’t give you a perfect square. Not to mention that if you were to square root 8, you’d get a nasty decimal.
So, yeah. -w-
So basically you know that 25 x 17 is 425. So all you would do is estimate! It's super simple. Just do 25 x 17, then put your estimate in the estimate box. 5 or higher it goes up, 4 or lower it goes down, so for your estimate I would probably put 430. Hope this helps! :)
The two lines coincide. The two equations have the same slope and intercept. If you multiply the second equation by 3, you’ll get the first equation.
Hmmm... a geometric sequence MUST have a fixed common ratio. If it is changing, then the sequence you are looking at might not be a geometric sequence at all. We'd need to see an example to be sure.