I вариант
1 уровень
Решить уравнение:
3x2 – 12 = 0
2x2 + 6x = 0
1,8x2 = 0
x2 + 9 = 0
7x2 – 14 = 0
x2 – 3x =0
-x2 = 0
6x2 + 24 = 0
9y2 – 4 = 0
-y2 + 5 = 0
1 – 4y2 = 0
8y2 + y = 0
6y – y2 = 0
0,1y2 – 0,5y = 0
x2 – 2x = 0
x2 – 16 = 0
9x2 – 1 = 0
2 уровень
Решить уравнение:
(
5(x2 + 2) = 2(x2 + 5)
(x + 1)2 – 4 = 0
2(x2 + 4) = 4(x2 + 2)
(x – 2)2 – 8 = 0
(x + 1)(x -2) = 0
x(x + 0,5) = 0
3 уровень
II вариант
1 уровень
Решить уравнение:
3x – 2x2 = 0
x2 = 3x
2x2 – 18 = 0
3x2 – 12x = 0
2,7x2 = 0
x2 + 16 = 0
6x2 – 18 = 0
x2 – 5x = 0
-x2 = 0
4x2 + 36 = 0
25y2 – 1 = 0
-y2 + 2 = 0
9 – 16y2 = 0
7y2 + y = 0
4y – y2 = 0
0,2y2 – y = 0
x2 + 4x = 0
x2 – 36 = 0
16x2 – 1 = 0
4x – 5x2 = 0
x2 – 9 = 0
2x2 + 15 = 0
3x2 + 2x = 0
2x2 – 16 = 0
-1,5x2 = 0
x2 – 4 = 0
2x2 + 7 = 0
x2 + 9x = 0
81x2 – 64 = 0
x2 = 7x
0,5x2 = 0
2 уровень
Решить уравнение:
x2 + 2x – 3 = 2x + 6
3x2 + 7 = 12x+ 7
(x + 2)(x – 1) = 0
(x - 0,3)x = 0
x2 – 3x – 5 = 11 – 3x
5x2 – 6 = 15x – 6
3 уровень
Решить уравнение: