Suppose that you used an input-output table to graph the equation y=x−4 on the grid. What is the ordered pair of the point at which the line crosses the y-axis?
In the form of y = mx + b, b is the y intercept.
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To find the ordered pair of the point at which the line crosses the y-axis, also known as the y-intercept, you can use the equation y = x - 4.
When the line crosses the y-axis, the x-coordinate is always 0. By substituting x = 0 into the equation, we can calculate the corresponding y-coordinate.
Substituting x = 0 into y = x - 4:
y = 0 - 4
y = -4
Therefore, the ordered pair is (0, -4). The line crosses the y-axis at the point (0, -4).