Question

Decide which of the following are quadratic equations.
(1.2 +5r-2 = 0
2) v = 50-10 (3) +- = 2
(4x+?= -2
(5) (m + 2) (m - 5) = 0 (6) m' + 3 m2 -2 = 3​

Answer 1

Step-by-step explanation:

Only the 5th one is the quadratic equation