as downward line
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2X + 4Y = 8 The Y-intercept is the place where the line described by the equation crosses the Y-axis. But X=0 everywhere on the Y-axis. So at that point, 4Y = 8, and Y = 2. The X-intercept is the place where the line described by the equation crosses the X-axis. But Y=0 everywhere on the X-axis. So at that point, 2X = 8, and X = 4.
The x-axis comes first. because x comes before y.
The x-axis is the horizontal axis on a graph. The y-axis is the vertical axis on a graph.
In a Cartesian grid, the x-axis is the horizontal axis, and the y-axis is the vertical axis.
Usually the x-axis is horizontal and the y-axis is vertical