y = kx
12 = 1.2k, so k=10
Now finish it off
Instructions
a. What is the constant of variation?
b. Write an equation for y in terms of x.
c. What is the slope?
The length of a photograph (y) is 12 centimeters when the length of the negative from which it is developed (x) is 1.2 centimeters.
1 answer