Y varies partly as X and as X^2 when X=2 Y=14 and when X=5 Y=65.Express Y interm of X hence find Y when X=-2

Answer 1

y = ax+bx^2

2a+4b = 14
5a+25b = 65

y = 3x+2x^2

take it.

Answer 2

How to solve the question