Given the equation, (x − h)2 + (y − k)2 = r2, what are the coordinates of the center?
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If the equation of a line is written in the 
form, 
is the y-intercept.
The y-intercept is -1. The line crosses the y-axis at the point (0,-1).
The y-intercept is -1. The line crosses the y-axis at the point (0,-1).