Find the x and y intercepts for y=3x/x^2+9

Plug in 0 for x. Plug in 0 for y.

So ...

Y=3x / (x^2+9), plug in 0 for Y.

0=3x / (x^2+9), multiply both sides by denominator

0=3x, at y=, x=0. Intercept at origin (:

For

Y = (3x/x^2) + 9, plug in 0 for Y

0 = (3x/x^2) + 9, subtract both sides

-9 = (3x/x^2), divide by x on the right

-9=3/x, multiply by x to the other side

-9x=3, and divide by - 9

X=-1/3 or -.33333. At x = 0 is null, because it's division by 0 (: so no y Intercept