hey guys i need your help!! In the xy plane the equation of line L y=2x+5. If line m is the reflection of line L in the x axis what equation for m?
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Originally Posted by fabxx hey guys i need your help!! In the xy plane the equation of line L y=2x+5. If line m is the reflection of line L in the x axis what equation for m? Reflecting a function y = f(x) over the x axis gives a transformation of , so your new function will be -y = f(x). Now solve for y. So in this case we have y = 2x + 5. Reflecting this over the x axis gives -y = 2x + 5, so the line m will be y = -2x - 5. -Dan
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