Which of the following is the equation of the vertical line that passes through (4,6)?
A. y = 6
B. y = 4
C. x = 6
D. x = 4

Question

Which of the following is the equation of the vertical line that passes through (4,6)?
	A.	y = 6
	B.	y = 4
	C.	x = 6
	D.	x = 4

anonymous · Answer

what DOESN'T change in a vertical line?

the x or the y?

anonymous · Answer

x

anonymous · Answer

exactly... so no matter what y is, x always must be ?

anonymous · Answer

attachment

anonymous · Answer

no, look at the given point.  what is the x value?

anonymous · Answer

oh sorry 4

anonymous · Answer

yes!!!

so no matter what y is, the value of x is always ?

anonymous · Answer

4

anonymous · Answer

and how would you write such a thing?

anonymous · Answer

in an equation sort of way?

anonymous · Answer

x=4

anonymous · Answer

perfecto!!! you are the master!

anonymous · Answer

thank you

anonymous · Answer

you are welcome!  happy new year!

anonymous · Answer

thanks you too

mathstudent55 · Answer

Every point on the graph has x-coordinate 4.
The equation x = 4 means the only thing to consider is the x-coordinate of every point must be 4. No matter what y-value you have, x must be 4. y is so forgotten, it is actually left out of the equation.
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