Behizadeh Behizadeh

02-04-2014
Mathematics

Answered

I have been stuck with this one, and i would like to how to solve this.
In each case, determine whether line AB is parallel or perpendicular to CD.
(a) A(0, 0), B(0, 1), C(0, 0), D(1, 0).
(b) A(0, 1), B(2, 3), C(4, 5), D(6, 7).

Answer :

crisforp crisforp

03-04-2014

a) AB is parallel CD from graphic;
b) m AB = (3-1)/(2-0) => m AB = 1; m CD = (7-5)/(6-4) => m CD = 1 => m AB = m CD => AB is parallel CD;

Answer Link

Other Questions

Which space figure has three lateral faces that are triangles?

what is the relative error of a distance given as 550cm plus or minus 24.2cm?

Which ratio is equivalent to 4 : 13? A.8 : 17 B.16 : 52 C.12 : 33 D.20 : 55

a firefighter arrived at a burning building and felt the heat immediately this is due to the thermal energy transfered by

What was Eli Whitney's personality?

how do gases from the air help break down rocks?

What are the hypothesis for glowing water?????????????????

What is the area of the figure below? Haaaaalp please

A passenger train's speed is 60 mi/h, and a freight train's speed is 40 mi/h. The passenger train travels the same distance in 1.5 h less time than the freight

what is the relative error of a distance given as 550cm plus or minus 24.2cm?