Felix101
contestada

Please help!!!
Which of the following lines is parallel to x=8?

3y=16

X=7

X=y

Y=8


Select the equation of the line that passes through the points (5,7) and is perpendicular to the line x=4.

Y=4

X=5

Y=7

X=7

Respuesta :

TSO
The answer to question #1 is x = 7

For a line to be parallel to x = 8, it has to start with x = some number. Such a line would have an undefined slope.

Now, x = y is a line that goes through the origin. It has a slope of 1.

The answer to question #2 is y = 7

If a line is perpendicular to x = some number, then it has to be y = some number.

And this perpendicular line has to go through the point (4,7). So what is the y-value of this point, since the equation starts with y? The y-value is 7. So the equation has to be y = 7

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