What is the y-intercept of the line y = 2x + 6?

1 Answer
KillerBunny
Sep 28, 2015

It's #6#

Explanation:

You don't even need to remember any formula: the #y#-intercept is, quite intuitively, the point in which the line crosses the #y#-axis. But the point of that axis are the ones with #x#-coordinate equal to zero. So, you need to find the value of the function when evaluated for #x=0#. In this case, #y(0)=2*0 + 6 = 6#.

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