To identify the y-intercept on a graph, we look for the point where the parabola crosses the y-axis. The y-intercept occurs when
From the options provided:
- (−10,0) corresponds to a point on the x-axis, not the y-axis.
- (0,−50) indicates the y-intercept, as it has an x-coordinate of 0.
- x=5 is an equation, not a coordinate point.
- (20,0) is also a point on the x-axis.
Therefore, the y-intercept is (0, −50).