SOLUTION: Write the equation of the line passing through (4, 4) and (4, 2). A) y = 4 B) y = �2x C) x = 4 D) y = x + 4

Question 44432: Write the equation of the line passing through (4, 4) and (4, 2).
A) y = 4 B) y = �2x C) x = 4 D) y = x + 4

Found 2 solutions by stanbon, tutorcecilia:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x=4
Cheers,
Stan H.
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
Slope = m = 4-2/4-4 = 2/0 = undefined slope (cannot divide by zero).
Since the slope is undefined, the line is vertical and x will be a constant number. If the line were horizontal, y would be a constant number.
.
In both of the given points, (4, 4) and (4, 2), x = 4.
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