单选题If a line is perpendicular to the line 2x + 6y = 18, what is its slope?A-1/3B1/3C-3D3E1/2

单选题
If a line is perpendicular to the line 2x + 6y = 18, what is its slope?
A

-1/3

B

1/3

C

-3

D

3

E

1/2


参考解析

解析:
The slope of the given line 2x + 6y = 18 is -1/3. Perpendicular lines have slopes that are negative reciprocals of each other, so the slope of the line perpendicular to the given line is 3.

相关考题:

In line 2 (Pare. 2), the word "it" refers to which of the following phrases?A. "the intention" (line 1)B. "the collection" (line 1)C. "one member" (line 1)D. "each flower family" (line 1)

肺下积液所致的“膈升高”膈顶最高点位于 ( ) A、偏外1/3B、偏外2/3C、偏内1/3D、偏内2/3E、偏外1/2

鼓索神经主管舌的味觉的部位为()。A、舌后1/3B、舌后2/3C、舌前1/3D、舌前2/3E、舌中央

肺下积液所致的"膈升高"圆顶最高点位于()。A、偏外1/3B、偏外2/3C、偏内1/3D、偏内2/3E、偏外1/2

在显示多条小区覆盖连线时,需要勾选哪几项() 1.Leaye trail 2.Serving cell line 3.Line to added cell 4.Line to removed cell A、1、3B、2、3C、1、2D、2、4

单选题If node 2 is accepting line timing from node 1, node 2 will send ()to node 1 as its SSM message.AESFBPRSCDUSDSMCEB8ZS

单选题桡神经沟位于肱骨干的()。A上1/3B中上1/3C中下1/3D下1/3E肱骨干全程

单选题肱骨干骨折愈合较困难的部位是:()A上1/3B中1/3C下1/3D中上1/3E中下1/3

单选题设窗体上有2个直线控件Line1和Line2,若使两条直线相连接,需满足的条件是(  )。ALine1.X1=Line2.X2且Line1.Y1=Line2.Y2BLine1.X1=Line2.Y1且Line1.Y1=Line2.X1CLinel.X2=Line2.X1且Line1.Y1=Line2.Y2DLine1.X2=Line2.X1且Line1.Y2=Line2.Y2

单选题CINⅠ(LSIL)级为( )A中1/3B上1/3C异型细胞局限在上皮层的下1/3D下2/3E上2/3

单选题鼓索神经主管舌的味觉的部位为()。A舌后1/3B舌后2/3C舌前1/3D舌前2/3E舌中央

单选题肺下积液所致的“膈升高”膈顶最高点位于()A偏外1/3B偏外2/3C偏内1/3D偏内2/3E偏外1/2

单选题Line l passes through the origin and is perpendicular to the line given by the equation 2x + y = 8. Which of the following points is NOT on line l?A(-4, -2)B(-1,1)C(2,1)D(4,2)E(7,3.5)

单选题A plane perpendicular to the polar axis will never form what line on the Earth’s surface? ()AGreat circleBEquatorCSmall circleDMeridian