Asked by Anonymous
Direct variation
Y is proportional to x. Use the x value & y value to find a linear model that relates y and x.
x=5, y=9
X=11, y=1.5
Y is proportional to x. Use the x value & y value to find a linear model that relates y and x.
x=5, y=9
X=11, y=1.5
Answers
Answered by
Damon
y = m x
9 = m * 5
m = 9/5
so
y = (9/5) x
or
5 y = 9 x
-------------------------
or easier way
x/y = 11/1.5
11 y = 1.5 x
9 = m * 5
m = 9/5
so
y = (9/5) x
or
5 y = 9 x
-------------------------
or easier way
x/y = 11/1.5
11 y = 1.5 x
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