Each pair of values is from direct variation, how do you find the missing value for (3,7) (8,y)?
1 Answer
Jul 4, 2018
Explanation:
#"the initial statement is "ypropx#
#"to convert to a equation multiply by k the constant"#
#"of variation"#
#y=kx#
#"to find k use the given condition"#
#(3,7)rArrx=3,y=7#
#y=kxrArrk=y/x=7/3#
#"the equation is "y=7/3x#
#"when "x=8" then"#
#y=7/3xx8=56/3#
