Slope intercept form: y = mx + b
Since the line is horizontal, the slope is going to be 0. A horizontal line also has the same y value all along the line. Therefore, the y-intercept is -3.
Eauation: y = -3
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Answer:
y = -3
Explanation:
A horizontal line has all the same y values, but changing x values
y must equal -3 all the time if it goes through (3,-3)
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