IDNLearn.com makes it easy to find answers and share knowledge with others. Explore thousands of verified answers from experts and find the solutions you need, no matter the topic.

Which is the quadratic variation equation for the relationship?

y varies directly with x2 and y = 36 when x = 3.

A.
y = x2 + 25

B.
y = 4x2

C.
y = x2

D.
y = 12x


Sagot :

[tex]y=kx^2 \\ \\ y=36 \hbox{ when } x=3 \\ 36=k \times 3^2 \\ 36=k \times 9 \\ k=4 \\ \\ \boxed{y=4x^2} \Leftarrow \hbox{answer B}[/tex]