Question

What is the constant of variation for the quadratic variation?

x 2 3 4 5 6
y 20 45 80 125 180

A.<---
5

B.
10

C.
15

D.
25

Answer 1

well look at it this way, the equation is

\[y = ax^2\]

the 1st ordered pair is x = 2 and y = 10

substitute them to find a.

check using the 2nd ordered pair, x = 3 and y = 45 and your value for a.

hope it helps

Answer 2

I need to know if i'm right but my answer for this is A

Answer 3

that's correct

Answer 4

yes

Answer 5

Thank you :)

Answer 6

Both of you

Answer 7

welcome from both of us