Posted by Bill on .
If x=yz, which of the following must be equal to xy?
a. yz
b. yz^2
c. y^2z
d. z^2\y

PreAlgebra 
bobpursley,
x=yz multipy both sides by y.
xy=y^2z
Posted by Bill on .
If x=yz, which of the following must be equal to xy?
a. yz
b. yz^2
c. y^2z
d. z^2\y
x=yz multipy both sides by y.
xy=y^2z