How are perpendicular lines and interesting line alike? How are they different?

2 answers:

7 0

Perpendicular lines= two line segments are perpendicular if they meet at the right angle.
Intersecting lines= two line segments that cross at any angle.
the difference is perpendicular lines have to cross at a right angle. intersecting lines that cross at any angle
the similarity is because they both cross each other.

sleet_krkn [62]2 years ago

3 0

Perpendicular lines and intersecting lines are the same because they both describe 2 lines that cross one another...

They are different because perpendicular lines cross one another in a specific way. The intersection of perpendicular lines forms 90 degree angles, while intersecting lines just describes 2 lines crossing. It could be at any angle.

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Solve for x & y. 30x−42y=−6 and 5x−7y=−1

vladimir1956 [14]

Um.. Both of those equations are the exact same. Divide both sides of the first equation by 6. You get:

$\frac{30x - 42y}{6} = \frac{-6}{6} \\ 5x - 7y = -1$

That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.

For example, $x = 0$ and $y = \frac{1}{7}$ would work, but so would $x = 1$ and $y = \frac{6}{7}$