What is the slope of a line that is perpendicular to 6x + 3y = - 9?

Question

Mathematics

Lizeth Hull

19 March, 12:02

What is the slope of a line that is perpendicular to 6x + 3y = - 9?

+5

Answers (2)

Know the Answer?

Mercedes Richardson · Answer 1

6 x + 3 y = - 9

3 y = - 6 x - 9 / : 3 (divide both sides by 3)

y = - 2 x - 3

m 1 = - 2

Slope of the perpendicular line:

m 2 = - 1 / ( - 2)

m 2 = 0.5

Paris Jones · Answer 2

6x + 3y = - 9

3y = - 6x - 9

y = - 2x - 4.5

slope (m1) of this line is - 2

slope of the perpendicular line,

m2 = - (1/m1)

m2 = - (1 / - 2)

m2 = 1/2