Answer: HAS A FIXED MINDSET INSTEAD OF A GROWTH MINDSET.
Explanation: Mindset is the way an individual thinks an attitude or opinion, especially a habitual one.
The basic types of mindset are the fixed mindset and the growth mindset.
A fixed mindset individual believes that their traits and qualities are not able to change. While a growth mindset is the opposite of a fixed mindset.
Michael has this characteristic of fixed mindset whereby he believes that since he struggled with maths as a child, he will struggle with maths as an adult. (Quality unable to change. )