How do you find the magnitude of YZ given Y(-4,12) and Z(1,19)?

1 Answer
Sep 18, 2016

Use the distance formula to find |\vec(YZ) |=sqrt(74)~~8.6

Explanation:

Use the distance formula.

d=sqrt((x_2-x_1)^2+(y_2-y_1)^2)

(x_1,y_1)=(-4,12) and (x_2,y_2)=(1,19)

|\vec(YZ) |= sqrt((1- -4)^2+(19-12)^2

|\vec(YZ) |=sqrt(5^2+7^2)

|\vec(YZ) |=sqrt(25+49)

|\vec(YZ) |=sqrt(74)~~8.6