SOLUTION: I can't figure out this problem: Write the equation of the line passing through (4, 4) and (4, 2). Choices are: A) y = 4 C) x = 4 B) y = -2x

Question 43530: I can't figure out this problem:
Write the equation of the line passing through (4, 4) and (4, 2).
Choices are:

A) y = 4 C) x = 4
B) y = -2x D) y = x + 4
Found 2 solutions by Nate, jake_6233:
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
M = (y2 - y1)/(x2 - x1) = (4 - 2)/(4 - 4) = 2/0 undefined
Since the line's slope is undefined, the linear line is declared as vertical.

(C)
Answer by jake_6233(74) (Show Source): You can put this solution on YOUR website!
A) y = 4 C) x = 4
B) y = -2x D) y = x + 4
The first thing to do is calculate the slope of your line
(these are subscripts not exponents) we get 2/0 which means that we have a vertical line or x=4 (both x values are 4 in your two points)

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