At what point does the graph of y=9x cross the y-axis?
A. (0,9)
B. (9,0)
C. (0,1)
D. (1,0)

The graph crosses the y-axis at the point (0, 0)

None of the given options is correct

A graph crosses the y-axis at the point (0, y). This means that the graph will cross the y-axis when x = 0

To find the point where the graph crosses the y-axis, substitute x = 0 into the given equation

For the equation y = 9x

substitute x = 0 into the equation y = 9x to find the corresponding value of y

That is,

y  =  9(0)

y  =  0

Therefore the graph crosses the y-axis at the point (0, 0)

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The point at which a line crosses the y-axis is called its y-intercept. It is generally in the form (0, y-int). To find this value, we can plug in 0 for x and then solve for y.

Steps:

y = 9(0)

y = 0

The point at which the graph of y = 9x crosses the y-axis is (0,0).

If there was a mistake somewhere, please do let me know! As I know that the answer I gave above is not on the list of answer choices. I would strongly recommend checking the equation in the original problem once more. :)