Question

y varies directly as the square of x. When x = 5, y = 100. Find y when x = 6.

y = 105

y = 120

y = 144

y = 150

Answer 1

\[y \alpha x ^{2}\]
\[y=kx ^{2}\]
x= 5 . y=100
plug in values and find the value of K..

Answer 2

? 150?

Answer 3

nop.. i wrote the formula above.. you just have to plug in values of x and y and find k

Answer 4

i cant see what it is y = ? k ?

Answer 5

so.. 105

Answer 6

?