Chapter 8 Notes
Chapter 8 Notes
Chapter 8 Notes
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Joint Variation• When an equation takes the form z = kxy it is called a jointvariation• “z varies jointly with x and y” or “z is jointly proportionalto x and y”• k is the constant of proportion or k is the constant ofproportionality• in a joint variation:z1z=2x y x y1122