Yo i need help lmk the answers

Ten times the square of a non-zero number is eqaul to ninety times the number

Find the value of x. give reasons to justify your solutions! h ∈ ig

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.