Subj:.....MATH
PROB. - Find Ratio Of X To Z (S487c)
From: LABLaughsRiddles on 5/16/2006
X, Y, and Z
satisfy:
X - Y - Z =
0 and 2X + Y + 3Z = 0
If Z is nonzero,
what is the ratio of X to Z?
x
x
x
x
x
Scroll down for the
answer
x
x
x
x
x
Here it comes
x
x
x
x
x
X - Y - Z = 0 so Y
= X - Z
2X + Y + 3Z = 0 so
Y = -2X - 3Z
Therefore, X - Z
= -2X - 3Z or 3X = -2Z or X/Z = -2/3 |