0330644
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What do the following two equations represent?

-2x+4y = 5−2x+4y=5minus, 2, x, plus, 4, y, equals, 5

-12x-6y = 1−12x−6y=1

(Choice A)
A
Equal lines

(Choice B)
B
Parallel lines

(Choice C)
C
Perpendicular lines

(Choice D)
D
None of the above

Respuesta :

Answer:

C. Perpendicular lines

Step-by-step explanation:

The given system is:

[tex]-2x+4y=5[/tex]

[tex]-12x-6y=1[/tex]

We need to rewrite both lines in slope-intercept form.

[tex]4y=2x+5[/tex]

[tex]6y=-12x-1[/tex]

This implies:

[tex]y=\frac{2}{4}x+\frac{5}{4}[/tex]

[tex]y=-\frac{12}{6}x-\frac{1}{6}[/tex]

Simplify:

[tex]y=\frac{1}{2}x+\frac{5}{4}[/tex]

[tex]y=-2x-\frac{1}{6}[/tex]

The slope of the first line is the negative reciprocal of the slope of the second line.

The two lines are perpendicular

The third option is correct