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Nikitich [7]
3 years ago
11

Which lines are perpendicular to the line y - 1 = 1(x+2)? Check all that apply.

Mathematics
1 answer:
Drupady [299]3 years ago
7 0

Answer:

The general equation of the lines that are perpendicular is:

y=-x+b

b can by any number.

Step-by-step explanation:

The equation of a line is given by:

y=mx+a

where m is the slope and b is the intercept

The equation of a perpendicular line to the previuos one is:

y=- \frac{1}{m} x+b

That means that the slope of a perpendicular line is inverse and sign opposite to the other line.

Hence, the equation given is:

y - 1 = 1(x+2) \\ y=x+2+1 \\ y=x+3

m would be:

m=1

So the perpendicular slope would be:

- \frac{1}{m}=- \frac{1}{1} =-1

The general equation of the lines that are perpendicular to y=x+3 is:

y=-x+b

b can be any number

In attached picture:

y=x+3 is the red line

y=-x+b is the blue line

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