Question

P varies partly as q and partly as the square of r. When p=6,q=8 r=4 and when p=10,q=12 and r=5. find the formula connecting p,q and r

Answer 1

p = mq + nr^2
so,
8m + 16n = 6
12m + 25n = 10

Now just solve for m,n

Answer 2

I don't understand the explanation

Answer 3

I don't understand

Answer 4

I understand well

Answer 5

I understand not

Answer 6

So what is M and N now