Greyshowjumper Greyshowjumper

01-02-2017
Mathematics

contestada

Is the line through points p(-3,-2) and Q(2,3) perpendicular to the line through points R(10,1) and S(15,-6)?

Respuesta :

crisforp crisforp

01-02-2017

The slope of line PQ is m1 = ( 3 - (-3) ) / (2 - (-2) ); then m1 = 6/4 = 3/2;
In the same way, the slope of line RS is m2 = -7/5;
But (3/2) x (-7/5) = -21/10, which is diferrent from - 1;
So, the lines aren't perpendicular.

Answer Link

Otras preguntas

what is the slope of the line passing through the points (-5,9) and (2,-12)

The manufacturer of eComputers, an economy-priced computer, recently completed the design for a new laptop model. eComputer’s top management would like some ass

In an eight-hour day Nicolas can catch 24 pounds of fish or he can repair 15 cars. In an eight-hour day Alejandro can catch 27 pounds of fish or he can repair 1

On March 1, 2015, Landon Company acquired real estate on which it planned to construct a small office building. The company paid $90,000 in cash. An old warehou

goddess and wife of Osiris

An employee earns $6,300 per month working for an employer. The FICA tax rate for Social Security is 6.2% and the FICA tax rate for Medicare is 1.45%. The curre

find the second derivative of r(x)=10x-0.001x^2

Can someone please help me with this physics problem? I'd really appreciate any help I can get!

what is the area of a rectangle that is 3/5 of a meter long and 7/12 of a meter long

Which explains whether Triangle FGH is congruent to Triangle FJH?