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BabaBlast [244]
3 years ago
14

Find the equation of the line perpendicular to y=−2 that passes through the point (4, −2).

Mathematics
2 answers:
lawyer [7]3 years ago
4 0

x = 4

because it is perpendicular, the new equation has to be a vertical since the original was horizontal. We know that it passes through (4,-2) so it has to be x=4

stellarik [79]3 years ago
3 0

Answer:

x = 4

Step-by-step explanation:

the line

y=-2

is a horizontal line on the -2 of the y-axis (for any x value, the y value is always -2).

Thus since y=-2 is a horizontal line, a perpendicular line to a horizontal line has to be a vertical line.

Now, we want this vertical to pass through the point:

(4,-2).

This means that the only option we have is the line:

x=4

because this is the equation of a vertical line sitting on the x = 4.

This can be better visualized in the attached image. where the red line isy = -2 and the dotted blue line is x = 4

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