Question

2. Decide which of the following are quadratic equations.
(1) x² + 5x - 2 = 0
(2) y = 5 y - 10 (3) % + - = 2
(4) x + 1 = -2
(5) (m + 2) (m - 5) = 0 (6) m + 3 m2 -2 = 3 m
11​

Answer 1

Step-by-step explanation:

equation number 1 is a quadratic equation because in it highest power is 2 .