Question

стр.22 упр.37 Алгебр 9класс помогите?​

Answer 1

1) y = x^2 - 7x + 10: a = 1, b = -7, c = 10

2) y = -x^2 + x + 2: a = -1, b = 1, c = 2

3) y = -x^2 + 6x - 9: a = -1, b = 6, c = -9

4) y = x^2 + 4x + 5: a = 1, b = 4, c = 5