Find the y-intercept y=3
Problem
Solution
Identify the form of the equation. The equation
y=3 represents a horizontal line where they coordinate is always3 regardless of the value ofx Recall the definition of a
y intercept. They intercept is the point where the graph crosses they axis, which occurs whenx=0 Substitute
x=0 into the equation. Since the equationy=3 does not contain anx variable, the value ofy remains3 Determine the coordinates. The
y intercept occurs at the point(0,3) or simply at the valuey=3
Final Answer
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