Strongt wrote:The line represented by equation y=x is the perpendicular bisector of line segment AB. If A has the coordinates (-3,3), what are the coordinates of B?
answer is [spoiler](3,-3)[/spoiler]
would someone please explain the concept behinde the answer
To
bisect means to CUT IN HALF.
To be
perpendicular means to FORM A RIGHT ANGLE.
Draw the figure.
Look for special triangles.
In the figure above are two 45-45-90 triangles, each with sides 3-3-3√2.
B = (3,-3).
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