Write equations for the horizontal and vertical lines passing through the point (-2,7)

Question

Write equations for the horizontal and vertical lines passing through the point  (-2,7)

anonymous · Answer

horizontal line= m is 0
using the slope intercept form, y-y1=m(x-x1)
y-7=0(x+2)
y-7=0

vertical line= m=undefined (or denominator is 0)
using the slope intercept form, y-y1=m(x-x1)
y-7=(1/0)(x+2)
0=x+2

tkhunny · Answer

Write equations for the horizontal and vertical lines passing through the point (-2,7)

It's horizontal.  Why would the y-value change?  y = 7.  Done!
It's vertical.  Why would the x-value change?  x = -2.  Done!

goformit100 · Answer

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