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Пектораль
@Пектораль
July 2022
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Выполните проверку корней уравнения.
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Banabanana
Verified answer
1
7² - 3*7 - 28 = 0
49 - 21 - 28 = 0
0 = 0
верно
(-4)² - 3*(-4) - 28 = 0
16 + 12 - 28 = 0
0 = 0
верно
2
3*(-1)² - 3*(-1) - 6 = 0
3 + 3 - 6 = 0
0 = 0
верно
3*2² - 3*2 - 6 = 0
12 - 6 - 6 = 0
0 = 0
верно
3
3² - 9*3 + 18 = 0
9 - 27 + 18 = 0
0 = 0
верно
6² - 9*6 + 18 = 0
36 - 54 + 18 = 0
0 = 0
верно
4
(-2)² + 5*(-2) + 6 = 0
4 - 10 + 6 = 0
0 = 0
верно
(-3)² + 5*(-3) + 6 = 0
9 - 15 + 6 = 0
0 = 0
верно
2 votes
Thanks 1
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Answers & Comments
Verified answer
17² - 3*7 - 28 = 0
49 - 21 - 28 = 0
0 = 0
верно
(-4)² - 3*(-4) - 28 = 0
16 + 12 - 28 = 0
0 = 0
верно
2
3*(-1)² - 3*(-1) - 6 = 0
3 + 3 - 6 = 0
0 = 0
верно
3*2² - 3*2 - 6 = 0
12 - 6 - 6 = 0
0 = 0
верно
3
3² - 9*3 + 18 = 0
9 - 27 + 18 = 0
0 = 0
верно
6² - 9*6 + 18 = 0
36 - 54 + 18 = 0
0 = 0
верно
4
(-2)² + 5*(-2) + 6 = 0
4 - 10 + 6 = 0
0 = 0
верно
(-3)² + 5*(-3) + 6 = 0
9 - 15 + 6 = 0
0 = 0
верно