vertex form of a quadratic

3:37

11:43

9:34

5:42

کوتاه

4:22

6:33

8:20

2:24

3:15

3:15

3:26

کوتاه

کوتاه

11:44

28:09

5:30

2:39

10:28

13:22

9:26

14:50

1:46

20:59

9:37

11:28

8:00

2:47

10:25

3:24

3:20

3:37

2:00

4:46

1:06

6:27

1:39

8:25

2:31

5:58