What is the equation of a vertical line passing through the point (2, -3)?
Do you have any ideas here? It's ok if you don't, it's easy enough to find out.
no idea whatsoever ): @IMStuck
If you graph the point, you can draw a vertical line through it. You should notice that if you pick other points on the vertical line, they all have a coordinate in common. That coordinate is going to be what your line is equal to, it will be the x or y of the coordinate = the number you see repeating.
|dw:1403552035651:dw| A vertical line has an equation like x=a.
so x = (positive number) , not a negative @math&ing001
It can be positive or negative. It's easy to figure out though, just look at the value of x in your point.
x =2 ?
@math&ing001
Yep !
thank youuu @math&ing001
You're welcome @chariety101 !
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