Найдем дискриминант
D = 0 ==>
D = b^2 - 4ac = 16 - 20c = 0
- 20c + 16 = 0
- 20c = - 16
c = 16/20
c = 0.8
ОТВЕТ
0,8
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Найдем дискриминант
D = 0 ==>
D = b^2 - 4ac = 16 - 20c = 0
- 20c + 16 = 0
- 20c = - 16
c = 16/20
c = 0.8
ОТВЕТ
0,8