SOLUTION: A line with a slope of -(1/2) crosses the X-axis at the point (4,0). At what point does it cross the Y-axis? (Hint: The unknown point has coordinates (0,y), where y is to be cal

Question 752564: A line with a slope of -(1/2) crosses the X-axis at the point (4,0). At what point does it cross the Y-axis? (Hint: The unknown point has coordinates (0,y), where y is to be calculated. This point is the so-called y intercept.)
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You could use the point-slope form for a line.

Instead, here is the use of slope-intercept form.

, where b is the y intercept.
You were given the x intercept point of x=4 and y=0. Putting these into our equation gives us:

.

The equation desired then is
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