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 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

is the earth getting heavier
15 is 70% of what number
_ is 8% of 200, please help and show work, thanks
what act did the united states government pass in order to be able to move Native American of their lands into the Indian's Territory? A) Native American Act B)
1. What is the value of the expression below? Please show work 3⁴+9= A.21 B.39 C.43 D.90 2. Which expression is equivalent to 5(d+1)? Please show work A.5d+5 B.
Simplify. 26 + (–3) ∙ (–8) A. –184 B. –2 C. 2 D. 50
What is (7/12)/(5/9)? In simplest form..
72 - (blank) + 20 = 70 what number is the blank
why did president Truman believe that the United States should sign the North Atlantic treaty
1) Elizabeth works part-time to help pay for college. She has worked for the last 14 days without a day off for a total of 48 hours. Depending on her schedu