Answer: no you can't you can only use 5 numbers when going by 4's
Step-by-step explanation: 4, 8, 12, 16, 20
Answer:
i know the ANSWER!
Step-by-step explanation:
I think you posted this question more than once..
If y varies directly as the square of x, that means that y=k*x^2. Plugging y=100 and x=5 into it, we get 100=k*5^2=k*25. Dividing by both sides, we get k=100/25=4. Going back to the original equation, we now know that y=4*x^2. Plugging 9=x in, we get 4*9^2=4*81=324=y