Saturday

December 20, 2014

December 20, 2014

Posted by **ladybug** on Friday, October 12, 2012 at 10:35pm.

P1=(-1,1);P2=(1,2)

- pre-cal -
**Bosnian**, Saturday, October 13, 2012 at 1:43amd = sqrt [ ( x2 - x1 ) ^ 2 + ( y2 - y1 ) ^ 2 ]

In this case :

x1 = - 1

y1 = 1

x2 = 1

y2 = 2

d = sqrt [ ( 1 - ( - 1 ) ) ^ 2 + ( 2 - 1 ) ^ 2 ]

d = sqrt [ ( 1 + 1 ) ) ^ 2 + 1 ^ 2 ]

d = sqrt [ 2 ^ 2 + 1 ]

d = sqrt ( 4 + 1 )

d = sqrt ( 5 )

**Answer this Question**

**Related Questions**

Pre-Cal - Find the distance d(P1,P2) between the points P1 and P2. P1= (-2,1); ...

Pre-Cal - Find the distance from point (-1, 3) to the line 5x- 4y= 10.

Pre-Cal - How do you find the distance from the point to the line given the ...

Pre-Cal - Use the law of cosines to find the angle of Q between the given ...

Pre Cal. - Find the area between each curve and the x-axis for the given ...

pre-Cal(Please help) - Use the law of cosines to find the angle Q between the ...

pre cal - At a distance of 100 feet, the angle of elevation from the horizontal...

Pre-Cal(urgent) - Find u X v, where Q is the angle between u and v. magnitude of...

pre cal - does anyone take pre-cal online ?

pre-cal - to find the distance AB across a river, a distance BC= 309m is laid ...