Question

Could someone help me check these 18 answers on conics (Will give medal)?

Answer 1

@jim_thompson5910 @Mertsj

Answer 2

@mathismylife Could you help me please?

Answer 3

@Loser66 Can you help me please?

Answer 4

1) right

Answer 5

Great!

Answer 6

2) the first 1

Answer 7

3) the second

Answer 8

4) right

Answer 9

5)right

Answer 10

6)right

Answer 11

Great! Almost half way through!

Answer 12

7) if the second one is (-sqrt(6),0) and (sqrt(6),0) for vertices, it turns right, but your choice is both them (-sqrt(6) ,0). So , no right option.

Answer 13

8) right

Answer 14

9)right

Answer 15

10) 5m(the last one)

Answer 16

11) right

Answer 17

12)right

Answer 18

13 ) I don't know, my answer is not there

Answer 19

14)don't see the graph but the first one, however, it's not the right answer.

Answer 20

15) right

Answer 21

16) the second one

Answer 22

17) don't see all graphs like 14) . So, cannot know what are right for both 14 and 17

Answer 23

I meant to skip those two.

Answer 24

18) right

Answer 25

next time, if you need help with those stuff, you should post at most 3 questions, (1 hand out). After get help, close, and post the second one. By that, you save your time. don't forget, the helpers do the stuff for free, and not many person is patient enough to stick with the bunch of work like that. By breaking down, the first one helps you, then, the second person helps you and so on.If not, you will wait forever

Answer 26

Hmm... good point. Thanks for the tip!

Answer 27

You see, 1hour to check your stuff? unbelievable.

Answer 28

yw

Answer 29

@Loser66 So are the rest correct?

Answer 30

18 is right

Answer 31

How is 5 symmetric about the x axis?

Answer 32

@Mertsj https://www.wolframalpha.com/input/?i=r%3D-2%2B3cos+theta

Answer 33

@Loser66 Thanks. I only paid attention to the cos part...not that it is r =